Multiple Choice
Which of the following is required to maintain a lysogenic state in a virus?
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17. Viruses
Viruses
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What is an advantage to a virus of undergoing the lysogenic cycle?
A
It increases the likelihood of the virus being transmitted through direct contact.
B
It enables the virus to integrate its genetic material into the host genome, allowing for long-term persistence.
C
It prevents the host cell from being destroyed, ensuring continuous viral replication.
D
It allows the virus to replicate quickly and cause immediate symptoms.
Verified step by step guidance1
Understand the lysogenic cycle: The lysogenic cycle is one of the two cycles of viral reproduction, where the virus integrates its genetic material into the host cell's genome.
Identify the key advantage: The integration of viral DNA into the host genome allows the virus to persist in the host cell without causing immediate harm or destruction.
Consider the implications of integration: By integrating into the host genome, the virus can remain dormant and replicate along with the host cell's DNA during cell division, ensuring long-term persistence.
Compare with the lytic cycle: Unlike the lytic cycle, which results in the destruction of the host cell, the lysogenic cycle allows the virus to maintain the host cell's viability, ensuring continuous replication over time.
Evaluate the transmission potential: While the lysogenic cycle does not directly increase transmission through immediate symptoms, it allows the virus to spread through the host's cellular replication, potentially increasing transmission opportunities over time.
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