Question Detail

MIC 121 GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES Objective Question
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Question

Which of the following environmental stressors can induce a prophage to excise from the host chromosome and switch to the lytic cycle?
Options
A Optimal temperature and nutrient availability.
B Exposure to UV radiation or toxic chemicals.
Correct Answer
C Increased host cell growth rate.
D Presence of specific antibodies against the virus.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The document states under 'Induction', 'However, under certain conditions, often triggered by environmental stressors (e.g., starvation, exposure to UV radiation, or toxic chemicals), the prophage can be induced.'

Hint

Think about conditions that might signal stress for the host bacterium.

Question Info

Course: MIC 121
Topic: GENERAL CHARACTERISTICS AND STRUCTURE OF VIRUSES
Type: Objective
Difficulty: Not specified
Question 147 of 984
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