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MIC 121 GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES Objective Question
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Question

What is characteristic of a defective virus?
Options
A It can replicate autonomously but cannot infect host cells.
B It contains viral nucleic acid and proteins but cannot replicate without a helper virus.
Correct Answer
C It is an infectious protein that causes spongiform encephalopathies.
D It is a naked virus with an unusually large genome.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The document states: 'Defective viruses contain viral nucleic acid and proteins but cannot replicate without a helper virus.'

Hint

The key term is 'defective'. What does this imply about its ability to function independently?

Question Info

Course: MIC 121
Topic: GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES
Type: Objective
Difficulty: Not specified
Question 134 of 984
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