PATHOLOGY MCQ
GENETICS AND DISEASE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which viral life cycle kills its host cell by lysing?
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lytic
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mitosis
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lysogenic
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S phase
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Explanation:
Detailed explanation-1: -The lytic cycle: The phage infects a bacterium, hijacks the bacterium to make lots of phages, and then kills the cell by making it explode (lyse).
Detailed explanation-2: -Stage 4: Lysis. The virus causes the cell to burst, releasing the new viruses into the host’s system.
Detailed explanation-3: -The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.
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