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MIC 121 GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES Objective Question
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Question

What is the fundamental nature of prions?
Options
A They are infectious DNA molecules without a protein coat.
B They are infectious proteins without nucleic acid or an envelope.
Correct Answer
C They are small, circular RNA molecules that infect plants.
D They are artificially engineered viral particles used in research.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text clearly states: 'Prions are infectious proteins whose extracellular forms contain no nucleic acid and no envelope.'

Hint

The name 'prion' itself gives a clue about its composition. Look at the beginning of the 'Prions' section.

Question Info

Course: MIC 121
Topic: GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES
Type: Objective
Difficulty: Not specified
Question 131 of 984
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