Question 1

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) B) and D)
G) A) and E)

Question 2

Compare and contrast viruses, prions, and viroids.

Accepted Answer

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

Question 3

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 4

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

Accepted Answer

Viruses are classified into families and...

Question 5

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) B) and C)
G) A) and E)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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 D)

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Spikes are glycoproteins of the virus capsid.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Viruses that infect bacteria are specifically called _____.

Accepted Answer

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

Question 12

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) A) and E)
G) A) and C)

Question 13

The capsomers are made of

Accepted Answer

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

Question 14

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) All of the above
G) B) and E)

Question 15

Infectious naked strands of RNA are called

Accepted Answer

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

Question 16

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

Accepted Answer

The steps of viral multiplication cycles...

Question 17

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) All of the above

Question 18

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 E)
G) B) and C)

Question 19

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

Question 20

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) B) and D)
G) B) and E)

Exam 6: An Introduction to Viruses

Infectious naked strands of RNA are called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All of the following are characteristics of viruses except

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following represents a virus family name?

Correct AnswerverifiedShow Answer

Infectious protein particles are called

Correct AnswerverifiedShow Answer

The nucleocapsid consists of

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The capsomers are made of

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Host range is limited by the

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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

The core of every virus particle always contains

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Viruses that consist of only a nucleocapsid are considered

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Viruses that infect bacteria are specifically called _____.

Correct AnswerverifiedShow 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

Spikes are glycoproteins of the virus capsid.

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Uncoating of viral nucleic acid

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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

Compare and contrast viruses, prions, and viroids.

Correct AnswerAnswered by ExamLex AIViruses, prions, and viroids are all inf...View AnswerShow 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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The steps of viral multiplication cycles...
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verified

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Tracing the origins of viruses can be di...
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Correct Answer
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Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Viruses are classified into families and...
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Correct Answer
Answered by ExamLex AI
Viruses, prions, and viroids are all inf...
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