Question Detail

MIC 121 GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES Objective Question
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Question

Which characteristic uniquely describes viroids among the atypical virus-like particles mentioned?
Options
A They consist solely of proteins and lack nucleic acid.
B They are artificially engineered viral particles used for research.
C They are small, circular, single-stranded RNA molecules without a protein coat.
Correct Answer
D They require a helper virus for replication.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The 'Viroids' section states: 'Viroids consist of a single circular, single-stranded RNA molecule without a protein coat or envelope.' Option A describes prions, B describes pseudoviruses, and D describes defective viruses (specifically satellite viruses).

Hint

Focus on their composition and lack of typical viral components.

Question Info

Course: MIC 121
Topic: GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES
Type: Objective
Difficulty: Not specified
Question 113 of 984
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