Cell Theory

Who’s work did Rudolf Virchow “borrow without permission” that led to another scientist feud?

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He studied animals. He looked at animal tissues under the microscope and saw cells. He came to the conclusion, "All animals are made of cells".

• Theodor Schwann

8. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

I was a botanist. I studied plants and discovered that they all have cells.

• Theodor Schwann
• Matthias Schleiden
• Robert Hooke
• Rudolph Virchow

31. Which scientist is known for his studies on the movement of fluids in plants, contributing indirectly to cell theory?

• Anton van Leeuwenhoek
• Jan Ingenhousz
• Matthias Schleiden
• Robert Brown

Which statement is a part of the cell theory?

• all cells come from preexisting cells
• bacteria are prokaryotic cells
• eukaryotic cells are complex
• humans are multicellular

Why are microscopes important when studying most cells?

• Most cells are very large.
• Most cells are very small.
• Most cells move very quickly.
• Most cells are dead.

57. Who is known for his work on the structure of the cell membrane and its selective permeability?

• Anton van Leeuwenhoek
• Albert Szent-Györgyi
• Matthias Schleiden
• Robert Hooke

56. What is the primary function of the central vacuole in plant cells?

• Synthesize proteins
• Store water, nutrients, and waste products.
• Provide structural support
• Produce ATP

What is the name of the structure labeled #10?

• objective lens
• ocular lens
• aperture
• nosepeice

28. Which type of cell has a cell wall, chloroplasts, and a large central vacuole?

• Plant cell
• Animal cell
• Prokaryotic cell
• Fungal cell

Robert Hooke was the scientist responsible for naming _____________

• cells

_Select the levels ofhierarchical organization that organs are made of

• Cells, organs, tissue
• Organ system, tissue, atoms
• Molecules, cells, tissues
• Atoms, molecules, organ system

Which of the following is added to a micrograph or a drawing to help show the actual size of the structures pictured?

• Ruler
• Magnification power
• Scale bar
• All of the above
• None of the above

61. Which type of microscope uses a laser beam to visualize and manipulate individual molecules and cells?

• Scanning tunneling microscope
• Light microscope
• Phase-contrast microscope
• Transmission electron microscope

2. What is the basic unit of life according to the cell theory?

• Protein
• Cell
• Molecule
• Atom

58. Which organelle contains enzymes that break down cellular waste and foreign substances, making it essential for cellular digestion?

• Lysosome
• Golgi apparatus
• Mitochondria
• Nucleus

A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?

• Plants have cells but animals do not.
• They are both made of one or more cells.
• They both come from the same kind of cell.
• They both come from a non-living organism.

33

• Mammals
• Bacteria
• Fungi
• Protists

The arrangement of parts in an organism

• structure

He refuted spontaneous generation.

• Lazzaro Spallanzani

What does the Nucleolus make?

• Chromatin
• DNA
• Ribsomes
• Nuclear Waste

Which of the following would be a reasonable size for a molecule?

• 100 nm
• 10 nm
• 1 nm
• All of the above
• None of the above

6. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

The German scientist, ________ concluded all animals are made up of cells.

• Matthais Schleidon
• Theodore Schwann
• Rudolf Virchow
• Anton Van Leeuwenhoek
• Robert Hooke

98. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

T.Schwann did which of the following?

• He said that plants are not made of cells
• Said that animals aren't made of cells
• Stated that all plants have cell
• Stated that all animals have cells

Robert Hooke named the small compartments that made up the cork __________after the rooms monks lived in.

• organelles
• membranes
• mocroscopes
• cells

All cells -----

• are produced by dead cells
• come from other living cells
• crystallize out of air

76. Which scientist proposed that "all plants are made of cells"?

• Louis Pasteur
• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek

A sac inside a cell that acts as a storage area

• Vacuole

13. What is the main function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Store genetic information.
• Produce ATP.
• Synthesize proteins.

If something has its growth limited, is it still considered alive?

• Yes
• No
• Only while it is growing
• It depends on the circumstances
• None of the above

Which of the following is a factor which limits cell size?

• Amount of DNA
• Surface to volume ratio
• Amount of heat generated
• All of the above
• None of the above

process by which organisms maintain a relatively stable internal environment

• Homeostasis

Organisms made up of more than 1 type of cell are called _________________ organisms

• Multicellular

What piece is a larger knob usually found on either the body tube or the arm and it is used to focus the image under low power?

• Aperture
• Fine Adjustment Knob
• Diaphragm
• Coarse Adjustment Knob

There are three types of bacteria - Coccus, Bacilli, & Spirilla. Which of the following picture shows the spirilla.

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______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

Made of a single cell

• Unicellular

Which of the functions of life involves the reaction of organisms to environmental stimuli?

• Reproduction
• Response
• Homeostasis
• All of the above
• None of the above

What is the function of Ribosomes?

• Produce ATP
• Protein Synthesis
• Carries genetic material
• Protects the cell from harmful substances

The invention of the microscope made it possible for people to discover and learn about

• Plants
• Skin
• Animals
• Cells

What did Schleiden conclude?_____ plants are made up of cells.

• All

37. Which scientist is credited with discovering and naming cells?

• Robert Hooke
• Matthias Schleiden
• Anton van Leeuwenhoek
• Louis Pasteur

The regulation of salt and water levels within an organism is an example of which of the functions of life?

• Growth
• Nutrition
• Metabolism
• All of the above
• None of the above

who named a ¨cell¨?

• Robert Hooke
• Anton Van Leeuwenhoek
• Theodor Schwann
• Matthias Schleiden

True or False: Bacteria cells have a nucleus

• True
• False

59. What is the function of the peroxisome in a cell?

• Synthesize proteins
• Detoxify harmful substances and break down fatty acids.
• Store genetic information
• Produce ATP

93. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Light microscope
• Electron microscope
• Scanning tunneling microscope

92. What is the primary function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Store genetic information.
• Produce ATP.
• Synthesize proteins.

All cells come from___________ cells.

• pregnant
• pre-existing
• paternal
• pin size

Where does Cellular Respiration take place within the cell?

• Nucleus
• Ribsomes
• Mitochondria
• Endoplasmic Reticulum

Where did Rudolf Virchow say cells came from?

• Previous Cells
• Free-Cell Formation

Magnifies small objects

• hand lens

Which of the following could be considered an extention or exception to the cell theory?

• Skeletal muscle cells
• Fungal hyphae
• Bone (with its extracellular material)
• All of the above
• None of the above

What did M. Schleiden find out?

• All animal cells are made of cells
• All animals have voting rights
• All animal cell have different functions
• All plants are made cells

Anton Van Leeuwenhoek was the first to see bacteria and protist in a drop of pond water which hecalled?

• animalcules

25. What is the primary function of the nucleolus within the nucleus of a cell?

• Ribosome production
• DNA replication
• Lipid synthesis
• Energy production

Water is the only chemical found in all living cells.

• True
• False

What piece is the platform that supports the microscope slide?

• Base
• Diaphragm
• Stage Clips
• Stage

26. Which organelle is responsible for breaking down cellular waste and recycling cellular components?

• Mitochondria
• Golgi apparatus
• Endoplasmic reticulum
• Lysosome

86. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

54. Which scientist is credited with discovering and describing the nucleus within the cell?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Robert Brown
• Louis Pasteur

30. What is the function of the cell wall in plant cells?

• Provide structural support and protection.
• Regulate the passage of substances in and out of the cell.
• Synthesize proteins.
• Store genetic information.

67. What is the main function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Selectively permeable barrier that separates the cell from its environment.
• Produce ATP.
• Synthesize proteins.

Who observed the first living cells and referred to them as "animalcules" (little animals)?

• Mathias Schlieden
• Robert Hooke
• Theodore Schwann
• All of the above
• None of the above

91. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

in the year ____ Anton van Leeuwenhoek improved the microscope.

• 1670

Which of the following would be a reasonable size for a bacterium?

• 10 um
• 1 um
• 100 nm
• All of the above
• None of the above

9. Which organelle is responsible for producing ATP, the cell's energy currency?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

This is the most basic unit of life

• atom
• cell
• nucleus
• DNA

What type of organism consists of many cells?

• Unicellular Organism
• MulticellularOrganism
• Virus
• Cell Theory

unicellular organism that lacks a nucleus

• Prokaryote

what is protozoa? who was the first person to observe bacteria and protozoa.

• single celled animal, Anton van Leeuwenhoek

Cells that enclose their DNA in nuclei; animal and plant cells

• eukaryotes

Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

A rigid structure that surrounds the cell membrane and provides support to the plant cell

• cell wall

True or False?Cell is the basic unit of life...

• True
• False

The second part of Cell Theory states: "All living organisms are made up of cells."

• True
• False
• I don't know
• If you say so

45. What is the primary function of the Golgi apparatus in a cell?

• Synthesize lipids
• Modify, package, and transport proteins and lipids.
• Break down cellular waste.
• Produce ATP.

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular

The prefix "Multi" means

• many

Complete the hierarchal levels of organization: _____, molecules, cells, tissue

• atom

Because a unicellular organisms only exist on a small scale, they..

• Can only live for 24 hours.
• Are usually eaten by larger organisms.
• Can survive with most cells.
• Can only be seen with a microscope.

24. Which type of cell lacks a defined nucleus and membrane-bound organelles?

• Animal cell
• Prokaryotic cell
• Plant cell
• Fungal cell

The 3 scientists most responsible for the development of Cell Theory are:

• Robert Hook, Albert Einstein, Carolus Linnaeus
• Theodor Schwann, Matthias Schleiden, and Rudolf Virchow
• Robert Hooke, Rudolf Virchow, Teresa Engebretsen
• Theodor Schwann, Rudolf Virchow and Robert Hooke

Cells come only from what?

• existing cells
• nucleus
• fission
• budding

the process of increasing in physical size.

• Growth

From where did Leeuwenhoek discover bacteria?

• The gunk between his toes.
• The gunk in a dog's teeth.
• The gunk in his ear.
• The gunk in his teeth.

Which of the following would be a reasonable size for a cell?

• 100 um
• 50 um
• 10 um
• All of the above
• None of the above

52. Who is known for his observations of plant cells and their nuclei, contributing to the understanding of cell structure?

• Anton van Leeuwenhoek
• Robert Hooke
• Robert Brown
• Louis Pasteur

A microscope has an ocular magnification of 10 and a high power objective magnification of 50. What is the highest total magnification of the microscope?

• 500x
• 400x
• 50x
• 40x

Bacteria is

• Eukaryotic
• Prokaryotic

Where did Schleiden think cells came from?

• Previous Cells
• Free-Cell Formation

This scientist discovered bacteria:

• Hooke
• Schwann
• Leeuwenhoek
• Virchow

51. What is the function of the cilia and flagella in a cell?

• Facilitate cell movement and the movement of substances around the cell surface.
• Synthesize proteins.
• Store genetic information.
• Produce ATP.

in the year ____ Rudolph Virchow proposed the 3rd part of the cell theory.

• 1855

what is the smallest structural and functional unit of an organism?

• cell
• homeostasis
• white blood cells
• osmosis

To whom was Leeuwenhoek sending mail to in England?

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65. Which organelle is responsible for packaging and modifying proteins for transport within or outside the cell?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Peroxisome

Cell theory states that...

• cells are the basic building block of life
• cells are cool
• cells are microscopic
• cells cannot be destroyed

Which of the functions of life involves maintaining a constant internal environment?

• Metabolism
• Response
• Nutrition
• All of the above
• None of the above

An organism is...

• another word for animal
• a living thing
• anything that moves
• parts of the body

94. Which organelle is responsible for producing ATP, the cell's energy currency?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

An organelle found in plant and algae cells where photosynthesis occurs

• Chloroplast

First scientist to see cells under a microscope and call them cells

• Matthias Schleiden
• Robert Hooke
• Theodor Schwann
• Rudolf Virchow

The ____ Is the basic unit of life.

• cell

The regulation of pH levels in an organism is an example of which of the functions of life?

• Metabolism
• Response
• Growth
• All of the above
• None of the above

When we talk about an organisms ability to use energy to perform its daily functions, we are talking about the organism's

• Psyche
• Metabolism
• Ability to reproduce
• None of these

29. Which organelle is responsible for producing and storing cellular energy in the form of ATP?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

Which of the following is maintained through homeostasis?

• Reproduction
• Growth
• Temperature
• All of the above
• None of the above

What did Anton Van Leeuwenhoek do instead of buying a microscope?

• He stole one.
• He borrowed one from a friend.
• He built his own.
• He used a telescope.

Which of the following is larger than tRNA?

• Codon
• Nucleotide
• Virus
• All of the above
• None of the above

74. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

Material which is eliminated or discarded as no longer useful or required.

• waste

Which of the following would be a reasonable size for a membrane?

• 10 um
• 10 nm
• 10 pm
• All of the above
• None of the above

A person pulling fingers back from a hot stove is an example of which of the functions of life?

• Homeostasis
• Response
• Reproduction
• All of the above
• None of the above

23. Who is considered the "Father of Microbiology" for his pioneering work in microbiology and the development of the microscope?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

79. What is the primary function of the cell membrane?

• Regulate the passage of substances in and out of the cell.
• Store genetic information.
• Produce ATP.
• Synthesize proteins.

True or False:Robert Hooke invented the FIRST microscope.

• true
• false

96. What is the name

• Nucleoplasm
• Cytoplasm
• Cytosol
• Endoplasm

A cell that contains a nucleus and membrane bound organelles

• Eukaryote

"Control center of the cell"

• Nucleus
• Nucleolus
• Chromatin
• DNA

87. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

The combination of all cells in an organism working together determines the

• birthplace of an organism.
• the parents of an organism.
• personality of an organism.
• the shape and function of an organism.

What does the Cell Theory state?

• That all living things are made of cells
• Every cell has only one nucleus
• That plants cannot have cells
• Animals are only one that have cells

Powerhouse of the cell, organelle that is the site of ATP (energy) production

• Mitochondria

Which of the functions of life involves hereditary molecules that can be passed to offspring?

• Reproduction
• Response
• Growth
• All of the above
• None of the above

_Select the answers that are examples of organisms

27. Which scientist is known for his contributions to the understanding of the inheritance of traits, although not directly related to cell theory?

• Matthias Schleiden
• Anton van Leeuwenhoek
• Robert Brown
• Gregor Mendel

what is the 3rd part of the cell theory?

• all living organisms must have cells
• cells are the basic unit of life
• all cells must come from other cells

The basic unit of life

• cell

40. Which organelle is responsible for the synthesis of lipids and detoxification of drugs and poisons?

• Smooth endoplasmic reticulum
• Golgi apparatus
• Mitochondria
• Lysosome

TRUE OR FALSE: Living things and non-living things are both made of cells?

• True
• False

Which statement was NOT included in cell theory?

• All living things are composed of cells.
• Living cells come only from other living cells.
• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.
• Cells are the smallest structure of living things that can perform the functions necessary for life.

There are three parts to the cell theory. Which is NOT one of those parts?

• All organisms are composed of one or more cells.
• The cell is the basic unit of structure and organization in organisms.
• Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
• All cells come from pre-existing cells.

Why are the hyphae of a fungus sometimes considered an exception to the cell theory?

• Because they contain many nuclei
• Because they have abnormal cell walls
• Because they are not photosynthetic
• All of the above
• None of the above

99. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

This scientist proposed that all cells come from other cells:

• Leeuwenhoek
• Schleiden
• Schwann
• Virchow

Which of the following is larger than an organelle?

• Membrane
• Virus
• Bacterium
• All of the above
• None of the above

41. What is the function of the nucleoplasm within the nucleus of a cell?

• Ribosome production
• Surround and protect the genetic material.
• Lipid synthesis
• Energy production

This term means life comes from non-life

What do we mean by "cellular organization"?

• The Cell Theory organizes how we think about living things.
• Cells are the basic building blocks of all living things because all living things are composed of cells.
• There is a hierarchy in the importance of cells in a living thing.
• All of these

The function of the Golgi Apparatus is to....

• Transport things in & out of the cell
• Package and export proteins
• Hold the genetic material
• Store materials needed for the cell in order to function properly

71. What is the correct sequence of the development of the cell theory by scientists?

• Hooke, Schleiden, Schwann
• Schleiden, Schwann, Virchow
• Leeuwenhoek, Mendel, Hooke
• Pasteur, Virchow, Leeuwenhoek

34. Who proposed the idea that "all animals are made of cells"?

• Anton van Leeuwenhoek
• Robert Hooke
• Theodor Schwann
• Louis Pasteur

53. Which organelle is responsible for the digestion of cellular waste and foreign particles in the cell?

• Mitochondria
• Lysosome
• Golgi apparatus
• Smooth endoplasmic reticulum

18. Which organelle is responsible for detoxifying harmful substances in the cell?

• Golgi apparatus
• Peroxisome
• Lysosome
• Mitochondria

There are three tenets of the Cell Theory. Which of the following is NOT a tenet?

• Cells are the basic structure and function of life.
• All living things are made of one or more cells.
• The cell is the basic unit of matter.
• All cells come from preexisting cells.

____ is credited with being the first scientist to observe cork cells.

• Leewenhoek
• Shleidon
• Hooke

Which of the following would be a reasonable size for an organelle?

• 10 mm
• 10 um
• 10 nm
• All of the above
• None of the above

About when did the discovery/development of microscopes begin?

• 1600s

Which function of life iincludes all of the chemical reactions that occur within an organism?

• Homeostasis
• Metabolism
• Nutrition
• All of the above
• None of the above

16. Who proposed the idea that cells can only arise from pre-existing cells?

• Rudolf Virchow
• Louis Pasteur
• Anton van Leeuwenhoek
• Robert Hooke

20. Which scientist is known for his work on the fermentation process, disproving the idea of spontaneous generation?

• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek
• Louis Pasteur

66. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

Rudolf Virchow's observations helped to disprove was commonly held belief of the time?

The prefix "Uni" means

• one

Which instrument is credited for helping scientists develop cell theory?

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A living thing

• Organism

single-celled or simple multicellular eukaryotic organisms that generally do not fit in any other kingdom

• Protists

How many statement are there in a cell theory?

• 3

39. Who coined the term "protoplasm" to describe the substance of living cells?

• Anton van Leeuwenhoek
• Johann D. E. Schleiden
• Robert Hooke
• Louis Pasteur

14. Which scientist first observed and described animalcules (microorganisms) using microscopes?

• Robert Brown
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

What is evidence?

• data that supports the book
• data that supports the claim
• data that is cool
• data that is wrong

A cell structure that controls which substances can enter or leave the cell.

• cell membrane

48. Which statement is true about eukaryotic cells?

• They have a true nucleus enclosed within a membrane.
• They lack membrane-bound organelles.
• They are typically smaller than prokaryotic cells.
• They lack genetic material.

70. Which of the following is NOT one of the principles of the cell theory?

• All living things are composed of cells.
• Cells are the basic units of life.
• Cells can only arise from pre-existing cells.
• Cells carry out the functions of living organisms.

11. Which statement is part of the modern cell theory?

• All cells are prokaryotic.
• All cells come from pre-existing cells.
• Cells do not contain genetic material.
• All cells are multicellular.

He saw the first living microorganisms.

• Anton von Leeuwenhoek

1. Who is credited with formulating the cell theory?

• Robert Hooke
• Matthias Schleiden
• Theodor Schwann
• Anton van Leeuwenhoek

who discovered plant cells? what year?

• Robert Hooke1839
• Anton van Leeuweenhoek1665
• Theodor Schwann1855
• Matthias Schleiden1838

prokaryotic cells...

• have a nucleus
• don´t have a nucleus

This scientist was the first to identify cells and name them:

• Hooke
• Leeuwenhoek
• Schleiden
• Virchow

a ______ is chemical reactions inside the cell.

• metabolism

44. Which organelle is responsible for synthesizing and packaging proteins for secretion from the cell?

• Rough endoplasmic reticulum
• Golgi apparatus
• Mitochondria
• Lysosome

Which type of protist uses a pseudopod to move?

• Amoeba
• Euglena
• Paramecium

What gives the cell it's framework?

• Cell Membrane
• Plasma Membrane
• Cell Wall
• Cytoskeleton

what is the 2nd part of the cell theory?

• all living organisms must have cells
• all cells come from other cells
• cells are the basic unit of life

Which of the following statements is true?

• Plants and animal cells have cell walls for protection.
• Animal cells have one large vacuole; the plant cell has tiny ones.
• Plant cells contain chlorophyll; animal cells have lysosomes.
• Animal cells are box shaped; plant cells are circular.

83. What is the name for the gel-like substance inside the cell that surrounds the organelles?

• Nucleoplasm
• Cytoplasm
• Cytosol
• Endoplasm

The large membrane-enclosed structure that contains genetic information in the form of DNA and controls many of the cell's acitivities

• nucleus

The first part of The Cell Theory based on the work of Matthias Schleiden and Theodor Schwann.

• All living things are made of cells.

I created a more powerful microscope than Robert Hooke. I used it to study pond water and bacteria from teeth.

• Robert Hooke
• Theodor Schwann
• Anton Van Leewenhoek
• Rudolph Virchow

He studied plants. He looked at lots of plants under the microscope; their leaves, flowers, roots and stems. He decided that "All plants are made of cells".

• Matthias Schleiden

What is the approximate thickness (diameter) of DNA?

• 2 um
• 2 nm
• 2 pm
• All of the above
• None of the above

This type of cell doesn't contain a nucleus.

• Prokaryotic
• Eukaryotic
• Fungi
• Bacteria
• Body Cells

This scientist concluded that plants are made of cells:

• Virchow
• Schleiden
• Schwann
• Leeuwenhoek

The Cell Theory states...

• atoms create all matter
• living things evolve
• the cell is the backbone of all matter
• cells are the basic unit of structure and organization of organisms

Robert Hooke was...?

• The 1st to see a cell, and named it a cell(a room); looked at cork; saw a line of cells that reminded him of rooms.
• Said that al plants are multicellular
• Said that the begining unit is always a cell
• Was the 2nd person to see a man on earth

82. Which scientist first observed and described animalcules (microorganisms) using microscopes?

• Robert Brown
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

Prokaryotes DO NOT HAVE...

• DNA
• flagella
• a membrane bound nucleus
• ribosomes

100. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Electron microscope
• Light microscope
• Scanning tunneling microscope

Genetic Material that is passed from cell to cell

• mRNA
• RNA
• DNA
• ATP

Which of the following is larger than a virus?

• Membrane
• Lysosome
• ATP
• All of the above
• None of the above

Eukaryote

60. Who is credited with the discovery of the first cell?

• Robert Hooke
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

85. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

Why was the term “cell” used in reference to the chambers he observed in the cork? They looked like __________.

• the rooms monks slept in in their monasteries.
• office cubicals.
• high school lockers.
• cemetery plots.

Tiny structures inside the cell that carry out specific functions.

• Cell Wall
• Atoms
• Cells
• Organelles

What did Matthias Schleiden observe?

• Plant Cells
• Animal Cells
• Bacteria

the process by which your body gets energy from food

• Metobolism

Which of the following is a statement which comprises part of the modern cell theory?

• All organisms are composed of one or more cells
• Cells are the smallest units of life
• All cells come from pre-existing cells
• All of the above
• None of the above

Which type of cell contains a cell wall?

• Plant Cell

What tool do you use to view the cells?

• metric ruler
• telescope
• microscope
• pipette

The basic unit of structure and function in living things

• Cells

A tool used by biologists to study microscopic (TINY) details of living things.

• Microscope

He gave us the word "cell" for use with living things. He discovered cells looking at cork.

• Robert Hooke

72. Which part of the cell theory states that all metabolic reactions occur within cells?

• Cells are the sites of all metabolic reactions.
• Cells are the basic units of structure and function in living organisms.
• All living things are composed of cells.
• Cells can only arise from pre-existing cells.

True or False: All cells come from pre-existing cells

• True
• False

Homeostasis in a cell is a way for the cell to stay ...

• Balanced
• Alive
• Growing
• Dividing

Lastly cell theory states....

• cells don't do much
• cells are microscopic
• all living things are made up of cells (either unicellular or multicellular)
• bacteria aren't cells

Cells that do not enclose their DNA in nuclei; bacteria

• prokaryotes

38. What is the primary function of the cytoskeleton in a cell?

• Provide structural support and facilitate cell movement.
• Synthesize proteins.
• Store genetic information.
• Produce ATP.

63. Who proposed the idea that "all cells come from pre-existing cells" as a key principle of the cell theory?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Theodor Schwann
• Rudolf Virchow

90. Which statement is part of the modern cell theory?

• All cells are prokaryotic.
• All cells come from pre-existing cells.
• Cells do not contain genetic material.
• All cells are multicellular.

An embryo developing fingers from flippers is an example of which of the functions of life?

• Response
• Homeostasis
• Metabolism
• All of the above
• None of the above

73. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

75. Which organelle is responsible for producing and storing cellular energy in the form of ATP?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

Which of the following is considered a function of life?

• Metabolism
• Growth
• Reproduction
• All of the above
• None of the above

Which of the functions of life involves providing a source of compounds which provide an organism with energy and chemical compounds to maintain life?

• Metabolism
• Nutrition
• Homeostasis
• All of the above
• None of the above

Who discovered the first compound microscope?

• Hanz and Zacharias janssen

64. In which type of cell would you find membrane-bound organelles such as a nucleus?

All living things share 6 common characteristics. This means that

• All living things must exhibit most of these characteristics.
• All living things exhibit at least one of these characteristics at all times.
• All living things pitch in to help each other so that no one goes without.
• All living things exhibit all 6 characteristics, or they are not considered living things.

Bacteria is classified as a what?

• Prokaryote
• Eukaryote

Differentiation is an example of which of the functions of life?

• Growth
• Homeostasis
• Response
• All of the above
• None of the above

In "MRS.GRENC" the 'C' stands for...

• cell

eukaryotic cells...

• have a nucleus
• don´t have a nucleus

Which of the following is NOT one of the basic points of Cell Theory?

• All living things are made of cells.
• The cell is the smallest living thing that can perform all the functions of life.
• Cells are too small to see without a microscope.
• All cells must come from pre-existing cells.

I was a physician who studied cancer cells. I discovered that cells come from other cells.

• Anton Van Leewenhoek
• Matthias Schleiden
• Rudolph Virchow
• Theodor Schwann

77. Which statement is part of the modern cell theory?

• All cells are prokaryotic.
• All cells come from pre-existing cells.
• Cells do not contain genetic material.
• All cells are multicellular.

Where is DNA stored inside of a Prokaryotic cell?

• Cytoplasm

What did Leeuwenhoek do?

• Looked at cork
• Stated that animals are made of cells
• All plants are made of cells
• Used simple light microscope and saw microorganisms

Why is it necessary to understand and to look back on the history of the development of the cell theory?

What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move.

35. Which organelle is responsible for maintaining cell turgidity and storing water in plant cells?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Vacuole

*All living things are composed of cells*Cells are the basic units of structure and function in living things*New cells are produced from existing cells

• cell theory

An embryo developing a heart valve is an example of which of the functions of life?

• Homeostasis
• Growth
• Response
• All of the above
• None of the above

who collaborated to form the first 2 parts of cell theory?

• Hooke & Leeuwenhoek
• Virchow & Schwann
• Schwann & Schleiden
• Schleiden & Hooke

Which is not true of the cell theory?

• All living organisms are composed of cells.
• All cells have a nucleus, which acts like a brain of the cell.
• All cells come from preexisting cells.

Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

50. In which type of cell is the DNA not enclosed within a membrane-bound nucleus?

• Prokaryotic cell
• Eukaryotic cell
• Plant cell
• Animal cell

32. In which cellular organelle does photosynthesis take place?

• Mitochondria
• Chloroplast
• Nucleus
• Lysosome

What is the basic structural and functional unit of all living things?

• atom
• cell
• bacteria
• animalcules

TRUE OR FALSE: Viruses are made of cells.

• True
• False

Improvements in the __________________________ was essential for the development of cell theory

• Spectials
• Camera
• Telescope
• Microscope

81. Which organelle is responsible for producing ATP, the cell's energy currency?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

Which scientist concluded that all cells come from other cells?

• Schleidon
• Hooke
• Leeuwenhoek
• Virchow

Which of the following is NOT made up of cells?

• snowflake
• earthworm
• tree
• human

Who stated that cell comes from pre-existing cell?

• Matthias Schleiden
• Theodor Schwann
• Rudolf Virchow
• John Needham

Which process turns food into ATP?

• Photosynthesis
• Cellular Respiration
• Protein Synthesis
• Eating

What is known as the "intracellular highway" in the cell?

• Endoplasmic Reticulum
• Golgi Apparatus
• Cell Membrane
• Nucleus

Consisting of many cells

• Multicellular

7. Who discovered the presence of the nucleus in plant cells?

• Schwann
• Robert Brown
• Hooke
• Pasteur

What did Schwann conclude?_____ animal cells are made up of cells.

• All

46. Who proposed that "all living things are made up of one or more cells" as a key principle of the cell theory?

• Anton van Leeuwenhoek
• Theodor Schwann
• Matthias Schleiden
• Louis Pasteur

device that produces magnified images of structures that are too small to see with the unaided eye

• microscope

The third statement of The Cell Theory. This is based on Rudolf Virchow's observation of living cells reproducing.

• Cells only come from living cells.

Which of the following is larger than a membrane (in diameter)?

• Virus
• Lysosome
• Vacuole
• All of the above
• None of the above

What are the 3 parts to the cell theory?

Control center of cell that contains DNA

• Nucleus

12. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

idea that all living things are composed of cells, and new cells are produced from existing cells

• cell theory

Father and Son team invented the 1st compound microscope

• Robert and John Hooke
• Hans and Zacharias Janssen
• Mattias and Jacob Schleiden
• Rudolf and Hans Virchow

What is a claim?

• A statement that is short.
• A statement that answers your question.
• A statement that has no meaning.
• A statement that is wrong.

Who was the FIRST person to see cells?

• Robert Hooke
• Anton van Leeuwenhoek
• Charles Darwin
• President Lincoln

47. Which organelle is responsible for the production of ribosomal RNA (rRNA)?

• Nucleolus
• Lysosome
• Golgi apparatus
• Mitochondria

The thin flexible barrier that surrounds a cell

• cell membrane

True or False: Every living thing is made of one or more cells?

• True
• False

68. Which organelle is responsible for producing ATP, the cell's energy currency?

• Mitochondria
• Golgi apparatus
• Endoplasmic reticulum
• Lysosome

The ___ is the basic unit of sturucture and function of organisms

• atom
• cell
• matter
• all other answers are correct

Cell organelle that stores materials such as water, salts, proteins, and carbohydrates

• Vacuole

What happens when the cell of a unicellular organism dies?

• A new cell will grow and sustain the organism.
• The organism’s cell divides, but the cell is much smaller.
• The whole organism dies.
• The organism becomes a multicellular organism.

19. What is the primary function of ribosomes in a cell?

• Protein synthesis
• Energy production
• Cellular respiration
• DNA replication

17. What is the function of the endoplasmic reticulum in a cell?

• Synthesize and transport proteins and lipids.
• Store genetic material.
• Break down cellular waste.
• Produce ATP.

55. Which type of microscope uses a focused beam of electrons to visualize the surface of specimens?

• Scanning electron microscope
• Light microscope
• Phase-contrast microscope
• Transmission electron microscope

Cells that are only made of ___ cell are called unicellular.

• one

The regulation of internal temperature is an example of which of the functions of life?

• Homeostasis
• Metabolism
• Nutrition
• All of the above
• None of the above

15. What is the name for the gel-like substance inside the cell that surrounds the organelles?

• Nucleoplasm
• Cytoplasm
• Cytosol
• Endoplasm

True or False? All cells don't come from pre-existing cells.

• True
• False

Which scientist contributed to the 3rd part of the cell theory

• Matthias Schleiden
• Robert Hooke
• Rudolf Virchow
• Theodor Schwann

He was a doctor. He studied human illness and looked at diseased body tissue. He observed living cells dividing into two parts. He came to the conclusion that living cells reproduced and made new living cells.

• Rudolph Virchow

Produce offspring that are similar to the parents

• reproduce

22. Which organelle is responsible for packaging and modifying proteins for transport within or outside the cell?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Peroxisome

Who looked at cork and named the cell?

• Robert Hooke

Eukaryotes DO HAVE

• a membrane bound nucleus
• a virus
• pili
• antibacterial protection

single-celled organisms that lack a nucleus; prokaryotes

• Bacteria

In 1665, I created one of the first microscopes and used it to discover cells.

• Robert Hooke
• Anton Van Leewenhoek
• Rudolph Virchow
• Matthias Schlieden

green organelle, in plant cells, photosynthesis, captures energy from the sun to make glucose

• chloroplast

Which of the following is larger than a nucleotide?

• Ribosome
• Virus
• Membrane
• All of the above
• None of the above

Cell theory is one of the foundation of

• biology

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

• The Theory of Gravity
• The Theory of Relativity
• The Cell Theory
• The Theory of Continental Drift

62. What is the function of the nucleolus within the nucleus of a cell?

• Ribosome production
• DNA replication
• Lipid synthesis
• Energy production

Who first observed cells in 1665 while observing cork with a microscope he built himself?

• Mathias Schlieden
• Robert Hooke
• Antione van Leeuvenhoek
• All of the above
• None of the above

When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?

• It states that all cells have a nucleus which divides.
• It states that all living things are made up of one or more cells.
• It states that cells come from previously existing cells.
• It states that the basic units of structure and function are cells.

plant-like protists that is mostly aquatic

• Algae

The first part of the cell theory states "What happens in cell theory, stay in Cell Theory"

A ______ cell keeps conditions inside the organism within tolerable limits.

• homeostasis

This photo shows...

• how humans are born
• the levels of hierarchal organization
• the nervous system
• a living thing

What is the scientific theory that states that all living things are made of cells, the cell is the basic unit of life and that all cells come from other cells?

• Multicellular
• Unicellular
• Cell Theory
• Virus

What year did Robert Hooke name the ¨cell¨?

• 1665
• 1838
• 1639
• 1910

Which of the following would be a reasonable size for a virus?

• 100 nm
• 1 nm
• 100 pm
• All of the above
• None of the above

84. Who proposed the idea that cells can only arise from pre-existing cells?

• Rudolf Virchow
• Louis Pasteur
• Anton van Leeuwenhoek
• Robert Hooke

who created the 3rd part of the cell theory?

• Rudolph Virchow
• Robert Hooke
• Theodor Schwann
• Matthias Schleiden

4. Which of the following is NOT one of the principles of the cell theory?

• All living things are composed of cells.
• Cells are the basic units of life.
• Cells can only arise from pre-existing cells.
• Cells carry out the functions of living organisms.

21. In which type of cell would you find membrane-bound organelles such as a nucleus?

• Eukaryotic cell
• Prokaryotic cell
• Bacterial cell
• Archaeal cell

who discovered animal cells? what year?

• Robert Hooke1665
• Anton van Leeuwenhoek1670
• Theodor Schwann1839
• Matthias Schleiden1838

Some organisms are composed of only one cell.

• True
• False

Life only comes from life means ____________

• Biogenesis

10. Which scientist proposed that "all plants are made of cells"?

• Louis Pasteur
• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek

strong, supporting layer around the cell membrane in some cells

• cell wall

Which of the following are part of the Cell Theory?

This type of cell does contain a nucleus.

• Prokaryotic
• Eukaryotic
• Bacteria Cells
• Archaebacteria

What famous scientist did Robert Hooke “lock horns with”?

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95. Which scientist first observed and described animalcules (microorganisms) using microscopes?

• Robert Brown
• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur

42. Which scientist is known for his work on the cell theory and his advocacy for the use of microscopes in scientific research?

• Marcello Malpighi
• Anton van Leeuwenhoek
• Matthias Schleiden
• Robert Hooke

Where do cells come from?

• Dead cells
• Soil
• Other existing cells
• Free cell formation

The smallest unit inside all living things.

• Atoms
• Organs
• Cell
• Tissues

what are the 2 main types of cells?

78. Who is credited with improving and popularizing the microscope, leading to significant advancements in cell theory?

• Anton van Leeuwenhoek
• Louis Pasteur
• Matthias Schleiden
• Robert Hooke

Which technology was essential for the development of the cell theory?

• Telescope
• Antiseptics
• Microwaves
• Microscopes

I was a zoologist. I studied animals and discovered that they all are made of cells.

• Anton Van Leewenhoek
• Rudolph Virchow
• Matthias Schlieden
• Theodor Schwann

Organisms made of only one type of cell are called ____________ organisms

• Unicellular

A baby learning to walk is an example of which of the functions of life?

• Growth
• Response
• Homeostasis
• All of the above
• None of the above

What is the most important chemical for life?

• Water
• Carbon dioxide
• Sodium chloride
• Helium

A lizard basking on a rock to warm up is an example of which of the functions of life?

• Metabolism
• Response
• Homeostasis
• All of the above
• None of the above

Which of the following is larger than the average molecule?

• Virus
• Organelle
• DNA
• All of the above
• None of the above

All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

A plant cell is

• Eukaryotic
• Prokaryotic

True or False? The beginning unit is always a cell. it starts from cells to tissues to organs to organ system to organisms.

• True
• False

What is one way that bacteria differ from plants, animals, and most fungi?

• Bacteria are unicellular organisms.
• Bacteria need to be kept in cold environments.
• Bacteria need other organisms in order to survive.
• Bacteria are able to divide their cells in order to survive.

What type of organism consists of only one cell?

• Unicellular Organism
• MulticellularOrganism
• Virus
• Cell Theory

All organisms have cells

• True
• False

Cells...

The process plants use to make food.

• Cellular Respiration
• Photosynthesis
• Function
• Nucleus

What does a Prokaryotic cell lack?

• Cell Membrane
• Ribsomes
• Nucleus
• DNA

Controls what enters and leaves the cell.

• Cell Membrane
• Nucleus
• Vacuole
• Cell

5. What is the correct sequence of the development of the cell theory by scientists?

• Schleiden, Schwann, Virchow
• Hooke, Schleiden, Schwann
• Leeuwenhoek, Mendel, Hooke
• Pasteur, Virchow, Leeuwenhoek

Which of the following is larger than a codon?

• Nucleotide
• Ribosome
• ATP
• All of the above
• None of the above

All existing cells are produced by other

• living cells
• dead cells
• atom cells
• animal cells

Why is bone sometimes considered an exception to the cell theory?

• Because it contains several types of stem cells which are undifferentiated
• Because it contains large amounts of nonliving extracellular material
• Because it provide structural support to other living cells
• All of the above
• None of the above

89. Which scientist proposed that "all plants are made of cells"?

• Louis Pasteur
• Matthias Schleiden
• Robert Hooke
• Anton van Leeuwenhoek

69. Which scientist first observed and described cells in cork?

• Robert Hooke
• Gregor Mendel
• Anton van Leeuwenhoek
• Louis Pasteur

80. Which type of microscope is used to observe living cells in real-time?

• Phase-contrast microscope
• Light microscope
• Electron microscope
• Scanning tunneling microscope

Which of the following is larger than a bacterium?

• Organelle
• Virus
• Membrane
• All of the above
• None of the above

multicellular eukaryote that produces its own food through photosynthesis

• plant

Where are Ribsomes located in the cell?

• Rough ER
• Endoplasmic Reticulum
• Nucleus
• Smooth ER

Which scientist was credited as being the first in observing cells?

• Hooke
• Leewenhoek
• Virchow

What piece holds the microscope slide in place ?

• Base
• Diaphragm
• Stage Clips
• Stage

Why was microscope essential for the development of the cell theory?

What are the tiny boxes Robert Hooke saw in this drawing?

• Cells

This is the most basic unit of life:

• cell

The control center of the cell.

• Vacuole
• Mitochondria
• Cell Wall
• Nucleus

What is wrong this how the student is carrying the microscope in the image?

• They are using two hands.
• They are carrying it close to their body.
• The plug is not wrapped around the base.
• They are walking.

a _______ cell provides protection against enemies.

• defense

"All animals are made of cells". This fact was discovered by...

• Matthias Schleiden
• Robert Hooke
• Theodor Schwann
• Rudolf Virchow

Which of the following is a reason that biologists study unicellular organisms?

• They are small and easily grown in the laboratory
• They are the simplest organism which carries on all of the functions of life
• They reproduce quickly
• All of the above
• None of the above

What magnification are the 3 objective lens?

• 4 40 10

what is the 1st part of the cell theory?

• all cells come from other cells
• all living organisms must have cells
• cells are the basic unit of life

Cells are often called "the ____ of life."

• bread
• road map
• building blocks
• meaning

88. Which organelle is responsible for producing and storing cellular energy in the form of ATP?

• Golgi apparatus
• Mitochondria
• Endoplasmic reticulum
• Lysosome

Which of the following are characteristics of ALL living things?

Which picture does NOT belong?

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Which of the following are parts of cell theory?

TRUE OR FALSE: All the following things are non-living: A treeA bookA water bottle

• True
• False

49. Who conducted experiments that refuted the idea of spontaneous generation by showing that microorganisms only grew in broth when exposed to air?

• Anton van Leeuwenhoek
• Matthias Schleiden
• Louis Pasteur
• Robert Hooke

Check all that are true about multicellular organisms.

43. In which part of the cell does DNA replication occur?

• Nucleus
• Mitochondria
• Cytosol

Some organisms are composed of many cells.

• True
• False

Which of the following is NOT made of cells?

• a rock
• an ant
• you and me
• a tree

An increase in the apparent size of an object

• Magnification

97. Who proposed the idea that cells can only arise from pre-existing cells?

• Rudolf Virchow
• Louis Pasteur
• Anton van Leeuwenhoek
• Robert Hooke

3. Which scientist first observed and described cells in cork?

• Robert Hooke
• Gregor Mendel
• Anton van Leeuwenhoek
• Louis Pasteur

36. Which type of microscope uses a beam of electrons to visualize the internal structures of cells?

• Light microscope
• Phase-contrast microscope
• Electron microscope
• Scanning tunneling microscope

What did Theodore Schwann observe?

• Plant Cells
• Animal Cells
• Bacteria

When looking at a specimen on your slide, you should always start with the

• low objective lens (x4)
• medium objective lens
• high objective lens
• super extra high power lens

Which cell organelle is called as the power house of the cell?

• Ribosomes
• Mitochondria
• Lysosomes
• Endoplasmic Reticulation

Why is skeletal muscle sometimes considered an exception to the cell theory?

• Because it is formed by the fusion of several cells
• Because it is formed of very large fibers
• Becuase it contains cells which each have several nuclei
• All of the above
• None of the above

A venus flytrap closing its trap in response to a fly is an example of which of the functions of life?

• Response
• Metabolism
• Nutrition
• All of the above
• None of the above

True or False: ALL cells contain DNA

• True
• False

Storage area for water and other substances in a cell.

• Vacuole

Unicellular and Multicellular is?

• 1 cell; Multi: 2+ cells
• 2+ cells; Multi: 200 cells
• 4+ cells; Multi: 145.00 cells
• None of the above