Bacteria

Ribosomes are also found in bacteria cell.

• True
• False

21. Which type of bacteria stain purple in the Gram staining process?

• a) Gram-positive
• b) Gram-negative
• c) Gram-neutral
• d) Gram-variable

29. Which bacterial species is commonly used in the fermentation of dairy products like yogurt?

• a) Salmonella
• b) Escherichia coli
• c) Lactobacillus
• d) Clostridium

bacteria have no what?

• nucleus

Which series lists the correct order of steps of binary fission from first to last?

• DNA is copied ® DNA molecules attach to cell membrane ® cell membrane elongates and pinches off ® two identical cells are produced

What is a prokaryote?

• a unicellular organism that lacks internal membrane bound structures, including a membrane bound nucleus

Which bacteria structure is labelled with the star?

• Cell Wall
• Capsule
• Ribosome
• Flagella

harmful or helpful: bacteria keep less friendly cells from growing in or on your body

• helpful
• harmful

a protein coat surrounding viral DNA

• capsid
• capsule
• endospores
• microbiota

17. Which of the following bacterial infections is typically transmitted through contaminated food or water?

• a) Influenza
• b) Salmonella
• c) Tuberculosis
• d) HIV

a vaccine gives your body _______.

• the antibiotics needed to fight a virus
• a weakened or dead form of the virus
• a latent form of the virus
• peptidoglycan to resist a virus attack

Bacteria of decay are important components of an ecosystem because they

• are involved in photosynthesis
• recycle organic matter
• absorb solar energy
• slow the spread of disease

45. What is the primary function of bacterial plasmids?

• a) Locomotion
• b) Genetic exchange
• c) Energy production
• d) Protein synthesis

Which applies to S. pneumoniae

Bacteria and fungi are __________________________.

• Producers
• Consumers
• Decomposers
• Mushrooms

7. Which of the following is a beneficial role of bacteria in the human body?

• a) Causing diseases
• b) Digesting food in the gut
• c) Filtering blood
• d) Producing antibodies

97. What is the primary function of bacterial endospores?

• a) Energy production
• b) Survival in harsh conditions
• c) Protein synthesis
• d) DNA replication

What is the job of ribosomes in bacteria?

• To provide protection
• To make protiens
• To hold organelles in place
• To hold water and nutrients

What would happen to a bacterial cell if its protective covering was destroyed?

• It would be harmed by chemicals in the environment.

What type of virus uses RNA that is translated in hosts to create new viruses?

• oncoviruses
• retroviruses
• prophages
• viroids

4. Which of the following is a method of bacterial reproduction?

• a) Binary fission
• b) Mitosis
• c) Meiosis
• d) Budding

34. Which of the following bacterial infections can lead to the formation of pus-filled abscesses?

• a) Tuberculosis
• b) Lyme disease
• c) Cholera
• d) Staphylococcal infection

Viruses and some bacteria can be classified as pathogens because they

• provide oxygen
• cause disease
• recycle nutrients
• can be used to produce medicine

24. Which bacterial genus includes species responsible for causing strep throat?

• a) Escherichia
• b) Streptococcus
• c) Staphylococcus
• d) Salmonella

20. What is the primary function of bacterial endospores?

• a) Reproduction
• b) Survival in harsh conditions
• c) Protein synthesis
• d) Energy production

What type of bacteria will be killed in the presence of oxygen?

• Obligate aerobes
• Obligate anaerobes
• Facultative anaerobes
• Photoautotrophs

92. Which bacterial genus includes species responsible for causing botulism?

• a) Streptococcus
• b) Clostridium
• c) Escherichia coli
• d) Salmonella

ways you can limit the spread of viral infections

How does bacteria get energy

How could you get clostridium tetani?

• By eating smoked fish or improperly canned foods at home
• Infection through infected animal or soil
• Improperly cooking food, at lower temperatures.
• Penetration of skin by a rusted nail
• Innoculated with trama into muslcles

Name some bacterias

_Select each of the following structures that are found in a virus.

Which of the following is a viral infection?

• cholera
• influenza
• strep throat
• tuberculosis

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Which ones are ALPHA HEMOLYTIC

Are prokaryotes more or less simple than eukaryotes?

• more

We can live WITHOUT microorganisms.

• True
• False
• Sometimes
• During the spring and fall.

What do bacterias not have?

• Nucleus

Which applies to Staphyloccocus spp.

Test/s that requires 37 degrees Celsius incubation and does not require CO2

87. What is the term for bacteria that thrive in extremely cold environments?

• a) Psychrophiles
• b) Thermophiles
• c) Acidophiles
• d) Halophiles

small, circular strands of DNA

• plasmids

Which is the 3 correct parts of bacteria?

• Cell wall, DNA, Pili
• DNA, Plasmid, Nucleus
• Vacuole, Cell wall, Pili
• Plasmids, Cell membrane, Oytoplasm

62. Which bacterial structure is responsible for protecting the cell from its external environment?

• a) Cell membrane
• b) Nucleoid
• c) Ribosome
• d) Flagellum

76. Which bacterial genus includes species responsible for causing botulism?

• a) Streptococcus
• b) Clostridium
• c) Escherichia coli
• d) Salmonella

Describe 2-3 ways each that both viruses and bacteria can be helpful to humans.

What is bacteria?

• single-celled organisms that have no nucleus and can either benefit or harm the body

Algae is the largest producer of ___________________ on Earth.

• pond scum
• bacteria
• oxygen
• carbon dioxide

Match the pandemic-causing pathogen to its method of spreading & causing illness: (from EdPuzzle)

Which bacteria cell part goes in the box labelled a?

• Flagella
• Chromosomal DNA
• Ribosomes
• Plasma Membrane

what does the cell wall do?

• it provides a rigid structure that gives the cell its shape

Endotoxins : 1) plasmid called pXO1 which has three different proteins a) edema factor (EF) b) ? c) ? and whats the second endotoxin? Finally, which bacillus is this?

• B) neurotoxin,c) lethal factor , Plasmid pX02, Bacillus anthracis
• b) Protective antigen(PA) c) Lethal Factor ( LF) and plasmid pX02 ; Bacillus anthracis
• B)tetanospasmin c) Protective antigen ; plasmid pXO2 ; Bacillus anthracis
• B) Protective antigen(PA) c) Lethal Factor ( LF) and plasmid pX02 ; Bacillus cereus

transformation

• a type of gene transfer in which dna is taken from the environment

how are Archaea different from Bacteria?

Which applies to Enterococcus

_Select the statements that support the fact that viruses are not alive.

The carbohydrate found in the cell walls of Eubacteria is called

• cellulose
• peptidoglycan
• glucose
• chitin

9. Which type of bacteria can survive extreme conditions, such as high temperatures and acidity?

• a) Extremophiles
• b) Gram-negative bacteria
• c) Pathogenic bacteria
• d) Aerobic bacteria

Which of the bacterial structures protects the cell from drying out during times of stress?

• capsule

Bacteria that stain red or pink are called

• gram positive
• gram negative

Type of virus that can be spread from insects:

• oncovirus
• arbovirus
• retrovirus
• all of these

What is the cell part labeled as "B"

• Cell membrane

Match the scientist with his contribution to our understanding of disease:

55. What is the term for bacteria that live in the absence of oxygen and are often found in the digestive tract?

• a) Aerobic
• b) Anaerobic
• c) Facultative anaerobic
• d) Microaerophilic

What is the cell part labeled as "E"

• Cell wall

50. Which bacterial genus includes species responsible for causing botulism?

• a) Streptococcus
• b) Clostridium
• c) Escherichia coli
• d) Salmonella

41. What is the term for the protective mechanism that some bacteria use to resist the effects of antibiotics?

• a) Antibiotic resistance
• b) Biofilm formation
• c) Conjugation
• d) Transformation

51. What is the term for bacteria that can grow in the presence or absence of oxygen?

• a) Aerobic
• b) Anaerobic
• c) Facultative anaerobic
• d) Obligate anaerobic

44. Which of the following bacterial diseases is caused by Mycobacterium tuberculosis?

• a) Tuberculosis
• b) Tetanus
• c) Strep throat
• d) Salmonellosis

93. What is the primary function of bacterial capsules?

• a) Protection from immune cells
• b) Energy production
• c) Nutrient absorption
• d) DNA replication

A ______________ bacteria gets food from other organisms. They can be saphrophytes or parasitic bacteria.

• heterotrophic

Which of the following is true for both bacteria and viruses?

• both contain genetic material
• can be killed using antibiotics
• have a cell membrane
• have a protein coat

how does bacteria reproduce?

• binary fission
• fussion
• meiosis
• mitosis

64. Which bacterial genus includes species responsible for causing bubonic plague?

• a) Yersinia
• b) Clostridium
• c) Escherichia coli
• d) Salmonella

48. Which bacterial disease is characterized by the formation of a hard, protective case around the bacterial cell?

• a) Tuberculosis
• b) Anthrax
• c) Cholera
• d) Tetanus

a cell infected by a virus

• capsid
• plasmid
• capsule
• host cell

Which microorganism can cause diseases and infections in people?

• Bacteria
• All of the above
• Fungus
• Virus

3. What is the function of the bacterial cell wall?

• a) DNA replication
• b) Protein synthesis
• c) Providing structural support
• d) Energy production

Bacteria that are considered "extremophiles" because of the harsh environments they inhabit are in the kingdom

• Archaebacteria
• Eubacteria
• both kingdoms

65. What is the term for the process by which bacteria convert atmospheric nitrogen into a form that plants can use?

• a) Photosynthesis
• b) Nitrogen fixation
• c) Fermentation
• d) Respiration

spirillum

• bacteria with an elongated spiral shapeexample: cholera

Bacteria can have the following shapes:

• cocci, bacilli, spirilla
• cocci, helical, rods
• complex, helical, polyhedral
• complex, cocci, spirilla, helical

What process is this?

• phagocytosis
• lytic cycle
• lysogenic cycle
• formation of antibodies

Where is bacteria found?

• Everywhere
• Almost everywhere

Which applies to Group D strep

• Bile esculin positive
• 6.5% NaCl positive
• Optochin sensitive
• Hippurate positive

Identify the long whip like structure used for movement

• pili
• flagella
• capsule
• plasmid

How many named species of bacterias are there?

• 40000
• 1500
• 30000
• 8000

a latent virus can remain in the body for years before destroying the host cells

• true
• false

What are examples of Viruses?

When a virus infects a host, it first attaches to the host cell, injects its genetic material, then

• assembles new viruses
• reads the genetic code
• releases new viruses
• destroys the host cell

83. What is the term for bacteria that obtain energy from sunlight?

• a) Phototrophs
• b) Chemotrophs
• c) Heterotrophs
• d) Autotrophs

How long ago did the first life (bacteria) appear on Earth?

• 300 years ago
• 3,000 years ago
• 3 million years ago
• 3.5 billion years ago

Bacteria reproduce in which way?

• Sexually (binary fission)
• Budding
• Meoisis
• Asexually (binary fission)

99. What is the term for bacteria that obtain energy from sunlight?

• a) Phototrophs
• b) Chemotrophs
• c) Heterotrophs
• d) Autotrophs

Which of the following Latin roots correctly describes the shape of these bacteria?

• bacillus
• coccus
• spirillum
• strepto

Which microorganisms are harmful? CHECK ALL THAT APPLY!

name the shape

• spirillum (spiral shaped)
• bacillus (rod-shaped)
• coccus (sphere-shaped)

11. Which of the following is a disease caused by bacteria?

• a) Tuberculosis
• b) Malaria
• c) AIDS
• d) Influenza

The segment of DNA that is shared between bacteria during conjugation is called the

• bacteriophage
• prophage
• capsid
• plasmid

What do doctors use to prime our immune systems to resist viruses?

• antibiotics
• vaccines
• gene therapy
• chemotherapy

78. Which bacterial structure is responsible for transferring genetic material from one bacterial cell to another during conjugation?

• a) Ribosome
• b) Conjugation pilus
• c) Flagellum
• d) Capsule

8. What is the primary function of the bacterial capsule?

• a) Oxygen exchange
• b) Protection from immune cells
• c) Nutrient absorption
• d) Reproduction

What are the symptons of Clostridium Botulium?

• Flaccid muscle paralysis, double vision, general muscle weakness, respiratory paralysis.
• Pockets of gas formation under skin, degrades muscles, limp muscles that secrete black fluid.
• General malaise to menegitis to spontaneous abortions
• Severe dihhera, abdominal cramps, fever
• Severe muscle spasms ( lockjaw)

How does a virus reproduce?

• With a female virus
• By controlling a cell to make copies
• They cant reproduce

how does bacteria get transmitted?

BONUS QUESTION (+2 points):Which microorganism is one of the oldest things on Earth?

• algae

Which of the following characteristics promote bacterial growth?

name the shape

• spirillum (spiral shaped)
• bacillus (rod-shaped)
• coccus (sphere-shaped)

What are the three common shapes of bacteria's

• Spirilli round and rod shaped
• Sprilli bacilli and cocci
• Round spirals and Rod shape

Bacteria can be both helpful and harmful.

• True
• False

86. Which bacterial structure is responsible for transferring genetic material from one bacterial cell to another during conjugation?

• a) Ribosome
• b) Conjugation pilus
• c) Flagellum
• d) Capsule

32. Which bacterial genus includes species responsible for causing food poisoning?

• a) Escherichia
• b) Streptococcus
• c) Salmonella
• d) Clostridium

the outside of a bacterial cell is protected by a structure called a

• capsule

Bacterial is eukaryotic organisms

• true
• false

Which scientist created tests that helped confirm that bacteria and other microorganisms cause a variety of diseases?

• Robert Koch

53. What is the primary function of bacterial mesosomes?

• a) Energy production
• b) Protein synthesis
• c) DNA replication
• d) Cell division

You can eat WITHOUT microorganisms.

• Yes
• No
• Sometimes
• Probably

If bacteria are in a temperature that is too high for them, their enzymes become_________

• denatured

The kingdom containing disease-causing bacteria and most of the helpful bacteria is

• Eubacteria
• Archaebacteria

57. What is the primary function of bacterial ribosomes?

• a) Storage of genetic material
• b) Protein synthesis
• c) Energy production
• d) Cell division

Harmful bacteria can be found in raw meats, raw eggs, and other foods.

• True
• False

the slimy coating around a bacterium

• plasmid
• capsule
• capsid
• host cell

Which applies to Group B strep

68. Which bacterial genus includes species responsible for causing dental decay?

• a) Escherichia coli
• b) Clostridium
• c) Streptococcus pneumoniae
• d) Streptococcus mutans

Match these symptons to the Bacteria A) severe muscle spasms ( lockjaw) B) Severe dihhera, abdominal cramps, feverC) general malaise to menegitis to spontaneous abortionsD) pockets of gas formation under skin, degrades muscles, limp muscles that secrete black fluid. E) Flaccid muscle paralysis, double vision, general muscle weakness, respiratory paralysis.F) Colonizes Pharaynx, forms grayish pseudomembrane composed of fibrin, leukocytes, exotoxins damage heart and neural cells

• A) Clostridium tetani
• B) Clostridium Difficile
• C) Listeria
• D) Clostridium Perfringens
• E) Clostridum Botulism
• F)Corynebaterium Dipheria

a virus has a, ______, a protein coat that surrounds its nucleic acid.

• capsid
• capsule
• cell membrane
• cytosol

The ________ is used by some bacteria to move around in their environment

• flagella

Consider this microscopic image of bacteria.mc003-1.jpgBased on its shape, what is most likely the form of this bacteria?

• bacillus

15. Which of the following is an example of a nitrogen-fixing bacteria?

• a) Escherichia coli
• b) Rhizobium
• c) Streptococcus
• d) Staphylococcus

What are the 2 types of kingdoms

• Eubacteria and archae

Not all bacteria has a flagella

• True
• False

Which of these conditions would allow extremophile Archaebacteria to survive? (select all that apply)

name the shape

• spirillum (spiral shaped)
• bacillus (rod-shaped)
• coccus(sphere)

69. What is the primary function of bacterial capsules?

• a) Protection from immune cells
• b) Energy production
• c) Nutrient absorption
• d) DNA replication

What is the job of the cell wall in bacteria?

• To provide protection
• To make protiens
• To hold organelles in place
• To hold water and nutrients

What do prokaryotes have on the outside of their cell membrane that gives protection and support?

• the cell wall

1. Which of the following is not a domain of life?

• a) Eukarya
• b) Bacteria
• c) Archaea
• d) Protista

These organisms only have one cell.

• single-cell organisms
• multi-cell organisms
• plants
• humans

Which viral life cycle kills its host cell by lysing (bursting)?

• Lysogenic Cycle
• Lytic Cycle
• Binary Fission
• Conjugation

what do plasmids do?

• they eat the other structures
• they can cause death to certain cells
• they have DNA strands that are separate from the main structure
• they take the DNA out of the cell

What is the name of a virus that has RNA instead of DNA?

• Prophage
• Retrovirus
• Prions
• Viroids

What is the most outside part of a bacterium?

• Ribosome
• Cytoplasm
• Cell membrane
• Cell wall

coccus

• bacteria with a spherical shapeexample: staph infection

89. What is the primary function of bacterial endospores?

• a) Energy production
• b) Survival in harsh conditions
• c) Protein synthesis
• d) DNA replication

52. Which bacterial structure is responsible for transferring genetic material from one bacterial cell to another?

• a) Capsule
• b) Conjugation pilus
• c) Flagellum
• d) Ribosome

Which cell part is the thin, flexible covering of a cell that is semi-permeable?

• Cell membrane
• Cell wall
• DNA
• Cytoplasm

What causes clostridium perfringens?

What type of virus is the Sars-CoV-2 (corona virus)?

• Retrovirus
• Oncovirus
• Bacteriophage
• Prion virus

28. What is the term for bacteria that live in extreme environments, such as hydrothermal vents?

• a) Thermophiles
• b) Mesophiles
• c) Psychrophiles
• d) Halophiles

In continuous flow culture,

• there is more product
• there are only two stages: lag and stationary
• it is more used by the industries
• you cannot do water treatments

One important way to control the spread of viruses in through

• the use of vaccines
• drinking a lot of tea
• the use of other types of bacteria
• the use of antibiotics

What do all viruses have?

Which of the following are identified as archaeal groups?

What is the yellow

• DNA
• cell wall
• Cytoplasm

Test/s that requires 35 degrees Celsius incubation

There are five kingdoms of life. Bacteria belong in the kingdom called______

• Monera

16. What is the primary mode of nutrition for autotrophic bacteria?

• a) Heterotrophy
• b) Photosynthesis
• c) Predation
• d) Parasitism

14. What is the term for the protective structures formed by some bacteria in response to adverse environmental conditions?

• a) Capsules
• b) Pili
• c) Endospores
• d) Cilia

54. Which of the following bacterial diseases is transmitted through contaminated water and causes severe diarrhea?

• a) Tetanus
• b) Anthrax
• c) Cholera
• d) Plague

Test/s that requires 37 degrees Celsius incubation and requires CO2

harmful or helpful: bacteria help make foods

• helpful
• harmful

Bacteria can be found in

• The land only
• aquatic areas only
• temperate places on land
• every place ever

Bacteriophage is a virus that can infect bacteria.

• True
• False

What is the whip-like 'tail' that bacteria use for movement?

• Cell wall
• Ribosome
• Flagella
• Cytoplasm

85. What is the primary function of bacterial capsules?

• a) Protection from immune cells
• b) Energy production
• c) Nutrient absorption
• d) DNA replication

59. What is the term for bacteria that require a low pH (acidic environment) to thrive?

• a) Acidophiles
• b) Alkaliphiles
• c) Halophiles
• d) Mesophiles

what does the cell membrane do

• helps to transport ions, nutrients, and waste.

There are approximately 10 times as many human cells as bacteria cells in the human body.

• True
• False

Poly-D-glutamicacid protein capsule that prevents phagocytosis.

• Bacillus Cereus
• Clostridium Botulium
• Bacillus Anthracis
• Clostridium Tetani
• Listeria monotogenes

bacillus

• bacteria with a rod shapeexample: E. coli

74. Which of the following bacterial diseases is transmitted through contaminated water and causes severe diarrhea?

• a) Tetanus
• b) Anthrax
• c) Cholera
• d) Plague

73. What is the primary function of bacterial endospores?

• a) Energy production
• b) Survival in harsh conditions
• c) Protein synthesis
• d) DNA replication

12. What is the primary function of ribosomes in bacterial cells?

• a) Energy production
• b) Protein synthesis
• c) DNA replication
• d) Waste elimination

In batch culture, the product is collected during the two stages:

• log and decline
• log and lag
• lag and decline
• lag and stationary

viruses aren't made of cells

• true
• false

Bacteria have short, fine, hairlike appendages called ______

• plasmids
• flagella
• spirillia
• pilli

47. What is the term for bacteria that require organic compounds for energy and carbon sources?

• a) Heterotrophs
• b) Autotrophs
• c) Phototrophs
• d) Chemotrophs

What is cytoplasm?

• Jel-like fluid that fills the cells and gives it shape
• Bone-like structure that give it protection
• Small structure that makes protein
• Whip-like structure that allows for movement

66. Which of the following bacterial diseases is transmitted through contaminated food and can lead to paralysis?

• a) Tuberculosis
• b) Botulism
• c) Cholera
• d) Tetanus

How do viruses move?

We eat fungi?

• True
• False

There are 5 stages in the growth of bacteria: ___, log, stationary, decline and survival

• lag

There are two types of food processing we have to learn: _____ and continuous flow culture

• batch

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98. Which of the following bacterial diseases is transmitted through contaminated water and causes severe diarrhea?

• a) Tetanus
• b) Anthrax
• c) Cholera
• d) Plague

38. Which of the following bacterial diseases is caused by a spirochete bacterium?

• a) Tuberculosis
• b) Strep throat
• c) Salmonellosis
• d) Syphilis

What part of bacteria sell helps it stick to surfaces

• Flagella
• RNA
• pilus

Which microorganisms help your body digest food?

• bacteria
• algae
• fungus
• virus

What is in dark green

• cell membranes
• Flagella
• DNA

Which kingdom of bacteria is more closely related to eukaryotes?

• Archaebacteria
• Eubacteria

Which statement is true about viruses?

• Viruses can eat and metabolize food.
• Viruses can reproduce only using a host cell.
• Viruses can reproduce on their own at any time.
• Viruses contain DNA, so they are alive.

Which applies to Micrococcus spp.

Can a virus change the normal activity of a cell?

• No
• Maybe
• Yes

bacteria sometimes struggle to survive. some bacteria escape this with

• outerspores
• endospores
• binary fission
• archaea

What are the two bacteria kingdoms?

• -archaebacteria- eubacteria

How was the Quizziz :^)

When bacteria are stressed, what could happen? (select all that apply!)

Which of the following types of bacteria live on dead organic matter?

• Parasites
• Saprophytes
• Photoautotrophs
• Chemoautotrophs

The hair like structure in bacteria cell are called

• Nucleus
• Flagella
• Mitochondria
• Cell wall

79. What is the term for bacteria that thrive in extremely cold environments?

• a) Psychrophiles
• b) Thermophiles
• c) Acidophiles
• d) Halophiles

Where do bacteria store sugars and lipids?

• storage granule

Consider this microscopic image of bacteria. mc005-1.jpgWhich bacterial shape is shown in the image?

• spiral

Which microorganism is the SMALLEST?

• bacteria
• algae
• fungus
• virus

two substances found in viruses

An autotroph is a bacteria which gets its energy from ________

49. What is the primary function of bacterial inclusions?

• a) Storage of nutrients and metabolic byproducts
• b) Protein synthesis
• c) Energy production
• d) DNA replication

71. What is the term for bacteria that thrive in extremely cold environments?

• a) Psychrophiles
• b) Thermophiles
• c) Acidophiles
• d) Halophiles

Organisms WITHOUT a nucleus?

• Bacteria
• Fungus
• Amoebas
• Virus

56. Which bacterial genus includes species responsible for causing pneumonia?

• a) Streptococcus
• b) Clostridium
• c) Streptococcus pneumoniae
• d) Escherichia coli

13. Which of the following bacterial structures is responsible for storing genetic material?

• a) Nucleus
• b) Nucleoid
• c) Endoplasmic reticulum
• d) Golgi apparatus

95. What is the term for bacteria that thrive in extremely cold environments?

• a) Psychrophiles
• b) Thermophiles
• c) Acidophiles
• d) Halophiles

90. Which of the following bacterial diseases is transmitted through contaminated water and causes severe diarrhea?

• a) Tetanus
• b) Anthrax
• c) Cholera
• d) Plague

harmful or helpful: bacteria can give you strep throat

• helpful
• harmful

Bacteria that require oxygen in order to survive are called

• Obligate anaerobes
• Obligate aerobes
• Facultative anaerobes

61. What is the term for the process by which bacteria take up DNA from their surroundings and incorporate it into their genome?

• a) Conjugation
• b) Transduction
• c) Transformation
• d) Replication

60. Which bacterial genus includes species responsible for causing diphtheria?

• a) Streptococcus
• b) Corynebacterium
• c) Clostridium
• d) Escherichia coli

Which two enterotoxins are made by bacillus cereus ?

• 1) Heat labile Toxin- that causes nausea, abdominal pain, diahera, lasts 12-24 hours
• 2) heat stable toxin - similar to S. Aureus food poisining , short incubuation, severe nausea, slight dihhera.

Bacteria reproduce asexually by _ and sexually by _.

• binary fission, conjugation

What can bacteria do?

• - they can cause disease- they can help us digest our food

26. What is the primary role of bacteria in the nitrogen cycle?

• a) Carbon fixation
• b) Oxygen production
• c) Nitrogen fixation
• d) Phosphorus cycling

Match the bacteria shapes to the name:

33. What is the term for the process by which bacteria break down

• a) Photosynthesis
• b) Decomposition
• c) Nitrogen fixation
• d) Fermentation

Microorganisms are so small they can only be seen ________________.

• From the sky
• In a science lab
• through a microscope
• in the dirt

Which is a reason that bacteria can cause infections in other organisms?

• Fast reproduction

the bacterial DNA and ribosomes enclosed in a tough case that can survive unfavorable conditions

• host cell
• microbiota
• endospore
• plasmid

Bacterias are microscopic

• true
• false

Name and describe the two enterotoxins of bacillus anthracis and the3 different proteins associated with one of them.

• 1) Plasmid called PXO1 with three proteins a) edema factor ( EF) that disrupts water homeostasis b) protective antigen ( PA) that promotes the entry of EF into the phagocytic cell c) Lethal factor ( LF) zinc metalloprotease that inactivates protein kinease. 2) Plasmid PX02 that encodes 3 genes required for synthesis of poly-glutamyl capsule.

harmful or helpful: bacteria "fixes" nitrogen

• helpful
• harmful

43. What is the term for bacteria that obtain energy from sunlight?

• a) Phototrophs
• b) Chemotrophs
• c) Heterotrophs
• d) Autotrophs

31. Which of the following bacterial diseases can be prevented through vaccination with the BCG vaccine?

• a) Tuberculosis
• b) Tetanus
• c) Cholera
• d) Malaria

94. Which bacterial structure is responsible for transferring genetic material from one bacterial cell to another during conjugation?

• a) Ribosome
• b) Conjugation pilus
• c) Flagellum
• d) Capsule

Which bacteria cell part goes in the box labelled with the star?

• Flagella
• Chromosomal DNA
• Plasmid DNA
• Cell Wall

72. Which bacterial genus includes species responsible for causing urinary tract infections?

• a) Escherichia
• b) Escherichia coli
• c) Streptococcus
• d) Salmonella

42. Which of the following bacterial infections is transmitted through the bite of infected fleas?

• a) Tuberculosis
• b) Plague
• c) Cholera
• d) Tetanus

What are the 3 ways bacteria get energy ( food)

• Autotroph consumer mushroom
• Photosynthesis heterotroph autotroph
• Autotroph heterotroph saprotroph

do prokaryotes have a nucleus surrounding their chromosomes of dna?

• no

What percentage of bacteria are harmful to humans?

• 10%
• less than 1%
• 90%
• more than 100%

27. Which of the following bacterial structures is involved in the exchange of genetic material during conjugation?

• a) Capsule
• b) Nucleoid
• c) Pilus
• d) Endospore

84. Which bacterial genus includes species responsible for causing botulism?

• a) Streptococcus
• b) Clostridium
• c) Escherichia coli
• d) Salmonella

is there a nucleus in a bacterial cell?

• no

Bacteria are....

35. What is the primary function of the bacterial cytoplasm?

• a) Contains enzymes and cellular structures
• b) Stores genetic material
• c) Synthesizes ATP
• d) Facilitates cell movement

Bacteria...

• include yeast
• are prokaryotic
• do not grow in UV light
• are eukaryotic

2. What is the shape of a spherical bacteria cell?

• a) Spiral
• b) Cuboidal
• c) Round
• d) Rod-shaped

Which reason best explains why bacteria can reproduce quickly?

• Binary fission

Which of the following creates genetic variation among bacteria?

• binary fission
• conjugation

Which of the following fungi are HELPFUL? Check ALL that apply.

Ribosomes located within bacteria are used to produce

• viruses
• chromosomes
• more bacteria
• proteins

where is nucleoid?

• it is in the middle and floating

Tests performed in BLOOD AGAR PLATE

What does pili do?

• It allows dna to be transferred from one bacterium to another

Prokaryotes will often move by a tail-like what?

• flagellum

Bacteria are....(select all that apply)

What are the symptons of Clostridium Difficile?

• Pockets of gas formation under skin, degrades muscles, limp muscles that secrete black fluid.
• Flaccid muscle paralysis, double vision, general muscle weakness, respiratory paralysis.
• Severe muscle spasms ( lockjaw)
• Severe dihhera, abdominal cramps, fever
• General malaise to menegitis to spontaneous abortions

6. What is the role of pili in bacteria?

• a) Sensing the environment
• b) Attachment to surfaces
• c) Photosynthesis
• d) Respiration

81. What is the primary function of bacterial endospores?

• a) Energy production
• b) Survival in harsh conditions
• c) Protein synthesis
• d) DNA replication

Why is the cytoplasm in cells important?

• It controls the activities of the cell
• It provides support and shape for the cell
• It controls what enters and exits the cell
• It keeps other cell parts from colliding and damaging each other

binary fission

• the process of cell division in prokaryotic organisms by which the parent cell divided into two genetically identical cellsby asexual reproductionvery rapid reproductionSTeps; dna molecule is copieddna molecules attach to cell membranecell membrane elongates and pinches off leaving two identical cells

Protozoa serve valuable purposes. Which answers tell of this purpose. Check ALL that apply.

What do saprotrophs do (decomposers)

• Break down
• A process that uses bacteria to convert nitrogen into useful proteins
• Cleans up oil spills

Which mode of reproduction is matched correctly with its description?

• transduction—virus transfers genes from one bacteria to another

Which Gram Positive- spore- making Bacillius produces neurotoxins that blocks acetylcholine from the nerve terminals in ANS?

• Clostridium Botulium
• Clostridium tetani
• Bacillus Anthracis
• Listeria monotogenes
• Bacillus Cereus

What does bacteria do?

Bacteria are classified as prokaryotes because they are missing

• a cell wall
• genetic material
• a nucleus
• ribosomes

how does bacteria move?more then one answer

Which viral structure is responsible for attaching the virus to the host cell?

• capsid
• tail sheath
• tail fiber
• genetic material

70. Which bacterial structure is responsible for transferring genetic material from one bacterial cell to another during conjugation?

• a) Ribosome
• b) Conjugation pilus
• c) Flagellum
• d) Capsule

Where can bacteria be found?

Identify the energy sources used by autotrophic bacteria

When do bacteria form endospores?

• In the best environment, i.e. enough food, enough
• When the temperature is ambient
• In harsh conditions
• When they are dormant

46. Which bacterial genus includes species responsible for causing urinary tract infections?

• a) Escherichia
• b) Escherichia coli
• c) Streptococcus
• d) Salmonella

What is the cell part labeled as "C"

• Ribosome

How would you get Bacillus Cereus?

• Improperly cooking food, at lower temperatures.
• Infection through infected animal or soil
• By eating smoked fish or improperly canned foods at home
• Innoculated with trama into muslcles
• Penetration of skin by a rusted nail

Viruses are similar to _____ because they need a host cell to replicate themselves.

• decomposers
• autotrophs
• heterotrophs
• parasites

40. Which bacterial genus includes species responsible for causing dental cavities?

• a) Salmonella
• b) Clostridium
• c) Streptococcus
• d) Lactobacillus

How does a virus get energy?

• It produces energy
• From host cell
• They dont need it

Which bacteria cell part goes in the box labelled b?

• Flagella
• Chromosomal DNA
• Ribosomes
• Cell Wall

88. Which bacterial genus includes species responsible for causing urinary tract infections?

• a) Escherichia
• b) Escherichia coli
• c) Streptococcus
• d) Salmonella

67. What is the term for bacteria that require high salt concentrations to grow?

• a) Halophiles
• b) Acidophiles
• c) Thermophiles
• d) Mesophiles

What does semi-permeable mean?

• Keeps everything out
• Let's certain things in
• Let's everything in

how does an active virus reproduce?

• the viral DNA forces a host cell's own machinery to make more viruses
• the viral DNA forces the host cell to go through binary fission
• the viral DNA is replicated and passed on every time the host cell goes through mitosis
• all of the above

91. What is the term for bacteria that obtain energy from sunlight?

• a) Phototrophs
• b) Chemotrophs
• c) Heterotrophs
• d) Autotrophs

Image: https://media.quizizz.com/_mdserver/main/media/resource/gs/quizizz-media/quizzes/9ee94e9e-34b9-43d7-b93e-cecda6a17fd9-v2?w=90&h=90

How do single-cell organisms move? Check all that apply

• flagella
• cilia
• change shape
• all the above

thorough hand washing is able to prevent bacterial infections but isn't successful at preventing viral infections.

• true
• false

Bacteria are _______, meaning they have _______ _____________________

• Prokaryotes; no nucleus
• Prokaryotes; no DNA
• Eukaryotes; no nucleus
• Eukaryotes; no DNA

25. Which of the following bacterial diseases can be transmitted through the bite of an infected tick?

• a) Cholera
• b) Lyme disease
• c) Tuberculosis
• d) Malaria

A bacterium reproduces asexually by dividing to form two new bacterial cells. What is the name of the process by which bacteria reproduce?

• meiosis
• mitosis
• budding
• binary fission

100. Which bacterial genus includes species responsible for causing botulism?

• a) Streptococcus
• b) Clostridium
• c) Escherichia coli
• d) Salmonella
• I hope these questions help with your study of bacteria!

what are the surface structures of bacteria?

• capsule, cell wall, and cell membrane

Identify the statements that correctly describe Archaebacteria.

22. Which of the following bacterial diseases has been largely eradicated through vaccination programs?

• a) Polio
• b) Tuberculosis
• c) Cholera
• d) Malaria

Which type of microorganism is the LARGEST?

• Bacteria
• Algae
• Fungus
• Virus

5. Which bacterial structure allows for movement?

• a) Flagella
• b) Cilia
• c) Pili
• d) Capsule

Tests performed in MUELLER-HINTON AGAR

conjugation

• the process by which a plasmid is transferred from one bacterial cell to another

Bacteria normally replicate through​ (a) but can use ​ (b) when stressors force them to adapt. Some bacteria form an ​ (c) to go dormant when conditions are poor.

19. Which bacterial structure is responsible for attaching to host cells during infection?

• a) Adhesins
• b) Ribosomes
• c) Plasmids
• d) Nucleoids

Harmful mold and other fungi can...Check ALL that apply.

Viruses must bind to specific proteins on the cell surface because of this, animal viruses can only infect _______ cells.

• animal

What are types of bacteria?

Pathogens cleans of oil spills

• True
• False

Who first discovered bacteria

• Antoni van Leeuwenhoek
• Galileo Galilei
• Hooke
• Hubert Blaine Wolfeschlegelsteinhausenbergerdorff Sr.

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need bacteria
• They need insulin

cold sores are caused by a(n) _______ virus.

• active
• flu
• host
• latent

bacteria has

• no cell wall and no cell membrane
• both cell wall and cell membrane
• cell wall
• cell membrane

Which form of bacteria is matched correctly to its description?

• coccus—can cause MRSA and has a round shape

For LC, we learn about three types of bacteria: round, ___ and spiral

• rod

Name a BACTERIA that you can get a vaccine for:

• diphtheria

harmful or helpful: bacteria are decomposers

• helpful
• harmful

39. What is the primary function of bacterial flagella?

• a) Locomotion
• b) Photosynthesis
• c) Protein synthesis
• d) DNA replication

what are the internal structures of bacteria?

• nucleoid, dna, and ribosomes

Bacteria are found in which of the following places?

• in your digestive system
• in the air
• in soil
• all of the above

80. Which bacterial genus includes species responsible for causing urinary tract infections?

• a) Escherichia
• b) Escherichia coli
• c) Streptococcus
• d) Salmonella

Which ones are BETA HEMOLYTIC

Which of the following is not a way that bacteria are able to move?

• Lashing or snaking forward
• Gliding through slime
• Flagella
• Pili

82. Which of the following bacterial diseases is transmitted through contaminated water and causes severe diarrhea?

• a) Tetanus
• b) Anthrax
• c) Cholera
• d) Plague

the helpful microscopic bacterial cells that inhabit your body

• host cell
• microbiota
• endospores
• plasmid

Which of these is NOT a way that bacteria can be helpful?

• Aid in digestion of our food
• Protect against harmful bacteria
• Decompose organic matter in soil
• Fix nitrogen in soil for plants to use
• can become resistant to antibiotics

Some bacteria are autotrophs. This means they

• eat each other
• make their own food
• become parasites
• use chemicals to break down their food source

An heterotroph is a bacteria which gets its energy from

58. Which of the following bacterial diseases can lead to severe lung infection and is caused by Legionella pneumophila?

• a) Tuberculosis
• b) Tetanus
• c) Cholera
• d) Legionnaires' disease

37. What is the term for bacteria that obtain energy from inorganic substances?

• a) Chemotrophs
• b) Phototrophs
• c) Heterotrophs
• d) Autotrophs

Which bacterial form can be curved like a spiral, thick and rigid, or thin and flexible?

• spirillum

Which bacteria cell part goes in the box labelled with the star?

• Flagella
• DNA
• Plasma Membrane
• Cell Wall

The segment of DNA injected into host cells by a virus is called the

• prophage
• capsid
• plasmid
• prion

23. What is the term for the protective outer layer of some bacteria that helps them resist antibiotics?

• a) Biofilm
• b) Glycocalyx
• c) Mesosome
• d) Periplasm

You are looking at a sample under the microscope to see if your patient has a bacterial infection. When you look in the microscope, you see something that looks like this. Is it a bacterium?

• Yes, this is a bacterium
• No, this is not a bacterium

What is the name of the disease-causing particle that does not contain DNA or RNA?

• Prophage
• Retrovirus
• Viroids
• Prions

what are the appendages?

• pill and flagellum

75. What is the term for bacteria that obtain energy from sunlight?

• a) Phototrophs
• b) Chemotrophs
• c) Heterotrophs
• d) Autotrophs

plasmid

• a small, circular dna molecule in bacteria

Where are viruses found?

• Almost everywhere
• Everywhere

Which of the following is true?

• Viruses and bacteria are both prokaryotes.
• Bacteria are eukaryotes and viruses are prokaryotes.
• Some bacteria are prokaryotes and some are eukaryotes.
• All bacteria are prokaryotes.

The gene for antibiotic resistance is found in the ________ inside the bacterial cell. Not all bacterial cells have this structure.

• plasmid

how can you prevent viral infections?

• by washing your hands regularly
• by eating a balanced diet
• by being vaccinated
• all of the above

63. What is the primary function of bacterial plasmids?

• a) Energy production
• b) Protein synthesis
• c) Genetic exchange
• d) DNA replication

Which part of the bacteria is always present?

• Cell wall
• Plasmid
• Flagella
• Capsule

77. What is the primary function of bacterial capsules?

• a) Protection from immune cells
• b) Energy production
• c) Nutrient absorption
• d) DNA replication

30. What is the primary function of the bacterial cell membrane?

• a) Regulating the passage of substances in and out of the cell
• b) Synthesizing proteins
• c) Storing genetic material
• d) Providing structural support

harmful or helpful: bacteria helps ruminants digest cellulose

• helpful
• harmful

Which of the following bacteria use energy from inorganic reactions as a source of energy to build glucose?

• Parasites
• Saprophytes
• Photoautotrophs
• Chemoautotrophs

archaebacteria lives in extreme environments

• True
• False

10. What is the term for the process by which bacteria exchange genetic material through direct contact?

• a) Binary fission
• b) Conjugation
• c) Transformation
• d) Transduction

Which of these characteristics of living organisms are NOT present in viruses?

96. Which bacterial genus includes species responsible for causing urinary tract infections?

• a) Escherichia
• b) Escherichia coli
• c) Streptococcus
• d) Salmonella

Tests performed in BRAIN HEART INFUSION BROTH

• Bacitracin Susceptibility Test
• Novobiocin Susceptibility Test
• Optochin Susceptibility Test
• Polymyxin B Susceptibility Test
• 20% Dextrose Strip Test
• Salt Tolerance Test

36. Which of the following bacterial structures is involved in DNA replication?

• a) Flagellum
• b) Capsule
• c) Pilus
• d) Nucleoid

This structure is formed when bacteria are placed into unfavorable growth conditions....

• endospore
• crystallization
• pili
• plasmid

Check all of the non-living characteristics of viruses.

Multi-celled organisms are made up of ____________________ cells.

• one
• two
• multiple
• ten

Which ones are GAMMA HEMOLYTIC

The two economic disadvantages of bacteria are food spoilage and

• parisitism
• production of antibiotics
• antibiotic resistance
• human disease

do bacteria have a nuclei?

• no
• yes

A obligate anaerobe is a type of bacteria that

• must have oxygen in its system
• cannot have oxygen in its system
• may or may not need oxygen
• uses sulfur dioxide

Name a virus that you can be vaccinated for (BESIDES COVID)

• flu

The use of what modern technology has cause the rise in resistant bacteria

• vaccines
• antibiotics
• fertilizers
• solar panels

What process occurs when bacteria break down nitrogen gas into a form that plants can use?

• binary fission
• conjugation
• nitrogen fixation
• decomposition

18. What is the term for bacteria that require oxygen to grow?

• a) Aerobic
• b) Anaerobic
• c) Facultative anaerobic
• d) Obligate anaerobic

We can produce products such as antibiotics or dairy products in a container known as a

• petri dish
• bioreactor
• test tube
• water bath

Which of these is characteristic of both viruses and bacteria?

• They get their energy from their environment.
• They can reproduce on their own.
• They can form crystals and become dormant.
• They contain proteins and nucleic acids.

transduction

• a method of genetic recombination in bacteria in which dna is transferred between cells by a virus

Which structure is used by some bacteria for movement?

• flagella