Question 1

The capsomers are made of

Accepted Answer

A)  DNA.
B)  RNA.
C)  lipids.
D)  protein.
E)  carbohydrate.F) B) and D)
G) B) and C)

Question 2

Uncoating of viral nucleic acid

Accepted Answer

A)  does not occur in bacteriophage multiplication.
B)  involves enzymatic destruction of the capsid.
C)  occurs during penetration in the multiplication cycle.
D)  occurs before replication.
E)  All of these choices are correct.F) None of the above
G) A) and C)

Question 3

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) None of the above
G) B) and C)

Question 4

Two noncellular agents, smaller than viruses, are the infectious proteins called _____, and the infectious RNA strands called _____.

Accepted Answer

The answer of Two noncellular agents, smaller than viruses, are...

Question 5

Spikes are glycoproteins of the virus capsid.

Accepted Answer

A) True 
 B)False

Question 6

The International Committee on Taxonomy of Viruses has determined that there are only three orders of viruses.

Accepted Answer

A) True 
 B)False

Question 7

Discuss why it is difficult to trace the origins of viruses and why they are important.

Accepted Answer

Tracing the origins of viruses can be di...

Question 8

The core of every virus particle always contains

Accepted Answer

A)  DNA.
B)  capsomers.
C)  enzymes.
D)  DNA and RNA.
E)  either DNA or RNA.F) A) and D)
G) B) and C)

Question 9

Which of the following parts of a virus is/are not always present?

Accepted Answer

A)  envelope
B)  nucleic acid
C)  capsid
D)  capsomers
E)  None of these choices are optional parts of a virus.F) B) and C)
G) B) and D)

Question 10

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 D)
G) A) and C)

Question 11

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

Accepted Answer

The steps of viral multiplication cycles...

Question 12

The nucleocapsid consists of

Accepted Answer

A)  the capsomers assembled into the capsid.
B)  the nucleic acid of the virus only.
C)  the nucleic acid along with the capsid.
D)  the envelope and capsid.
E)  the envelope, nucleic acid, and capsid.F) A) and B)
G) B) and C)

Question 13

Infectious protein particles are called

Accepted Answer

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

Question 14

Viral replication can involve the copying of RNA in an RNA virus.

Accepted Answer

A) True 
 B)False

Question 15

Compare and contrast viruses, prions, and viroids.

Accepted Answer

Viruses, prions, and viroids are all inf...

Question 16

Infectious naked strands of RNA are called

Accepted Answer

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

Question 17

Host range is limited by the

Accepted Answer

A)  type of nucleic acid in the virus.
B)  age of the host cell.
C)  type of host cell receptors on cell membrane.
D)  size of the host cell.
E)  All of these choices are correct.F) A) and E)
G) C) and D)

Question 18

All of the following are characteristics of viruses except

Accepted Answer

A)  definite shape.
B)  metabolism.
C)  genes.
D)  ability to infect host cells.
E)  ultramicroscopic size.F) B) and D)
G) A) and E)

Question 19

Discuss the criteria used for classifying viruses into families and genera.

Accepted Answer

Viruses are classified into families and...

Question 20

Viruses that infect bacteria are specifically called _____.

Accepted Answer

The answer of Viruses that infect bacteria are specifically called...

Exam 6: An Introduction to Viruses

All of the following are characteristics of viruses except

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Viral replication can involve the copying of RNA in an RNA virus.

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Viruses that infect bacteria are specifically called _____.

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The nucleocapsid consists of

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The capsomers are made of

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Which of the following represents a virus family name?

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Uncoating of viral nucleic acid

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Infectious protein particles are called

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Host range is limited by the

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Viruses that consist of only a nucleocapsid are considered

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Two noncellular agents, smaller than viruses, are the infectious proteins called _____, and the infectious RNA strands called _____.

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The core of every virus particle always contains

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

Correct AnswerAnswered by ExamLex AIThe steps of viral multiplication cycles...View AnswerShow Answer

Which of the following parts of a virus is/are not always present?

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Discuss the criteria used for classifying viruses into families and genera.

Correct AnswerAnswered by ExamLex AIViruses are classified into families and...View AnswerShow Answer

Spikes are glycoproteins of the virus capsid.

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Compare and contrast viruses, prions, and viroids.

Correct AnswerAnswered by ExamLex AIViruses, prions, and viroids are all inf...View AnswerShow Answer

Discuss why it is difficult to trace the origins of viruses and why they are important.

Correct AnswerAnswered by ExamLex AITracing the origins of viruses can be di...View AnswerShow Answer

The International Committee on Taxonomy of Viruses has determined that there are only three orders of viruses.

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Infectious naked strands of RNA are called

Correct AnswerverifiedShow Answer

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Two noncellular agents, smaller than viruses, are the infectious proteins called _, and the infectious RNA strands called _.

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Correct Answer
Answered by ExamLex AI
The steps of viral multiplication cycles...
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Viruses are classified into families and...
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Viruses, prions, and viroids are all inf...
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Correct Answer
Answered by ExamLex AI
Tracing the origins of viruses can be di...
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Correct Answer
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