Multiple Choice
Which of the following is not a virulence factor of Bordetella pertussis?
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17. Viruses
Viruses
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What is the advantage of the lytic life cycle for viruses?
A
It integrates the viral DNA into the host genome for long-term persistence.
B
It allows for rapid replication and spread of the virus.
C
It enables the virus to remain dormant and undetected by the host's immune system.
D
It allows the virus to acquire genetic material from the host.
Verified step by step guidance1
Understand the lytic life cycle: The lytic cycle is one of the two main types of viral reproduction cycles. It involves the virus entering a host cell, replicating rapidly, and then causing the host cell to burst (lyse), releasing new viral particles.
Identify the key characteristic of the lytic cycle: The primary advantage of the lytic cycle is its ability to produce a large number of viral particles quickly, which facilitates rapid spread of the virus to other cells and hosts.
Contrast with other viral cycles: Unlike the lysogenic cycle, where the viral DNA integrates into the host genome and remains dormant, the lytic cycle does not involve integration into the host genome, nor does it allow the virus to remain undetected.
Consider the implications for the host: The rapid replication and release of viruses during the lytic cycle can lead to cell death and tissue damage, which can be detrimental to the host organism.
Summarize the advantage: The lytic cycle's advantage lies in its efficiency in producing and spreading viral particles, which can lead to widespread infection in a short period of time.
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