Question 1

Which of the following represents a virus family name?

Accepted Answer

A)  Herpes simplex virus
B)  Herpesviridae
C)  Picornavirus
D)  Enterovirus
E)  Hepatitis B virusF) B) and C)
G) None of the above

Question 2

Compare and contrast the steps of viral multiplication cycles in bacteriophages and animal viruses.

Accepted Answer

The steps of viral multiplication cycles...

Question 3

Oncogenic viruses include all the following except

Accepted Answer

A)  Hepatitis B virus.
B)  Measles virus.
C)  Papillomavirus.
D)  HTLVI and HTLVII viruses.
E)  Epstein-Barr virus.F) All of the above
G) A) and D)

Question 4

Freshly isolated animal tissue that is placed in a growth medium and allowed to produce a cell monolayer is referred to as a _____ cell culture.

Accepted Answer

The answer of Freshly isolated animal tissue that is placed...

Question 5

All of the following pertain to virus envelopes except they

Accepted Answer

A)  are gained as a virus leaves the host cell membrane.
B)  are gained as a virus leaves the nuclear membrane.
C)  contain special virus proteins.
D)  help the virus particle attach to host cells.
E)  are located between the capsid and nucleic acid.F) A) and D)
G) A) and C)

Question 6

Classification of viruses into families involves determining all the following characteristics except

Accepted Answer

A)  type of nucleic acid.
B)  type of capsid.
C)  presence of an envelope.
D)  biochemical reactions.
E)  nucleic acid strand number.F) C) and D)
G) B) and E)

Question 7

Helical and icosahedral are terms used to describe the shapes of a virus

Accepted Answer

A)  spike.
B)  capsomere.
C)  envelope.
D)  capsid.
E)  core.F) C) and E)
G) C) and D)

Question 8

Host cells of viruses include

Accepted Answer

A)  human and other animals.
B)  plants and fungi.
C)  bacteria.
D)  protozoa and algae.
E)  All of the choices are correct.F) B) and E)
G) None of the above

Question 9

Explain what is meant by host range, what governs host range, and what is meant by tissue tropism.

Accepted Answer

Host range refers to the range of differ...

Question 10

Viral spikes are inserted into the host cell membrane before budding or exocytosis occurs.

Accepted Answer

A) True 
 B)False

Question 11

The adeno-associated virus (AAV) and the delta agent are prions.

Accepted Answer

A) True 
 B)False

Question 12

Clostridium botulinum is made virulent by incorporated prophage genes encoding for the botulinum toxin.What term describes this process?

Accepted Answer

A)  Lytic phase
B)  Budding
C)  Adsorption
D)  Lysogenic conversion
E)  Latent phaseF) A) and D)
G) B) and C)

Question 13

Which of the following is not associated with every virus?

Accepted Answer

A)  envelope
B)  capsomers
C)  capsid
D)  nucleic acid
E)  genomeF) B) and C)
G) A) and D)

Question 14

The virus-induced, specific damage to the host cell that can be seen in a light microscope is called

Accepted Answer

A)  lysogeny.
B)  budding.
C)  plaques.
D)  cytopathic effects.
E)  pocks.F) All of the above
G) A) and C)

Question 15

Infectious protein particles are called

Accepted Answer

A)  viroids.
B)  phages.
C)  prions.
D)  oncogenic viruses.
E)  spikes.F) A) and C)
G) C) and D)

Question 16

Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called

Accepted Answer

A)  latent
B)  oncogenic.
C)  prions.
D)  viroids.
E)  delta agents.F) A) and E)
G) B) and C)

Question 17

Creutzfeld-Jacob disease is

Accepted Answer

A)  caused by a chronic latent virus.
B)  initiated by an oncogenic virus.
C)  caused by a viroid.
D)  a spongiform encephalopathy of humans.
E)  also called "mad cow disease".F) All of the above
G) A) and B)

Question 18

How do enveloped animal viruses exit their host?

Accepted Answer

A)  Budding or exocytosis
B)  Bursting the host cell
C)  Rupturing the virus
D)  Endocytosis
E)  None of these are correctF) A) and B)
G) A) and E)

Question 19

T-even phages

Accepted Answer

A)  include the poxviruses.
B)  infect Escherichia coli cells.
C)  enter host cells by engulfment.
D)  have helical capsids.
E)  All of the choices are correct.F) A) and E)
G) B) and C)

Question 20

Viruses that consist of only a nucleocapsid are considered

Accepted Answer

A)  simple viruses.
B)  complex viruses.
C)  naked viruses.
D)  viroids.
E)  incomplete viruses.F) A) and B)
G) D) and E)

Exam 6: An Introduction to Viruses

Viral spikes are inserted into the host cell membrane before budding or exocytosis occurs.

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Host cells of viruses include

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Infectious protein particles are called

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All of the following pertain to virus envelopes except they

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T-even phages

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Which of the following is not associated with every virus?

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Viruses that consist of only a nucleocapsid are considered

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Compare and contrast the steps of viral multiplication cycles in bacteriophages and animal viruses.

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Creutzfeld-Jacob disease is

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Freshly isolated animal tissue that is placed in a growth medium and allowed to produce a cell monolayer is referred to as a _____ cell culture.

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Helical and icosahedral are terms used to describe the shapes of a virus

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The virus-induced, specific damage to the host cell that can be seen in a light microscope is called

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The adeno-associated virus (AAV) and the delta agent are prions.

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Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called

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Clostridium botulinum is made virulent by incorporated prophage genes encoding for the botulinum toxin.What term describes this process?

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Classification of viruses into families involves determining all the following characteristics except

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Oncogenic viruses include all the following except

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How do enveloped animal viruses exit their host?

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Which of the following represents a virus family name?

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Explain what is meant by host range, what governs host range, and what is meant by tissue tropism.

Correct AnswerAnswered by ExamLex AIHost range refers to the range of differ...View AnswerShow Answer

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The steps of viral multiplication cycles...
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Host range refers to the range of differ...
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