Microbiology Quiz 2
Question1
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The outcome of the Gram stain is based on differences in the cell's
Select one:
a. Ribosomes
b. Inclusions
c. Cell wall
d. Cell membrane
e. Flagella
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The correct answer is: Cell wall
Question2
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Which organelle is found in algae but not found in protozoa or fungi?
Select one:
a. Mitochondria
b. Lysosomes
c. Golgi apparatus
d. Chloroplasts
e. Endoplasmic reticulum
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The correct answer is: Chloroplasts
Question3
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Viral spikes
Select one:
a. Are always present on enveloped viruses
b. Bind viral capsid and envelope together
c. Allow bacteria to evade host defenses
d. Are derived from host proteins
e. All of the choices are correct
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The correct answer is: Are always present on enveloped viruses
Question4
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Which of the following is incorrect about prophages?
Select one:
a. Present when the virus is in lysogeny
b. Formed when viral DNA enters the bacterial chromosome
c. Replicated with host DNA and passed on to progeny
d. Cause lysis of host cells
e. Occur when temperate phages enter host cells
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The correct answer is: Cause lysis of host cells
Question5
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Question1
Correct
Mark 5.00 out of 5.00
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Question text
The outcome of the Gram stain is based on differences in the cell's
Select one:
a. Ribosomes
b. Inclusions
c. Cell wall
d. Cell membrane
e. Flagella
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The correct answer is: Cell wall
Question2
Correct
Mark 5.00 out of 5.00
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Question text
Which organelle is found in algae but not found in protozoa or fungi?
Select one:
a. Mitochondria
b. Lysosomes
c. Golgi apparatus
d. Chloroplasts
e. Endoplasmic reticulum
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The correct answer is: Chloroplasts
Question3
, Incorrect
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Viral spikes
Select one:
a. Are always present on enveloped viruses
b. Bind viral capsid and envelope together
c. Allow bacteria to evade host defenses
d. Are derived from host proteins
e. All of the choices are correct
Feedback
The correct answer is: Are always present on enveloped viruses
Question4
Correct
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Which of the following is incorrect about prophages?
Select one:
a. Present when the virus is in lysogeny
b. Formed when viral DNA enters the bacterial chromosome
c. Replicated with host DNA and passed on to progeny
d. Cause lysis of host cells
e. Occur when temperate phages enter host cells
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The correct answer is: Cause lysis of host cells
Question5
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