Viruses, like many good pathogens, have adapted to survive in their hosts.Which of the following scenarios would be MOST favorable to viral transmission and long-term survival of the viral species?
A) Virus X enters a host cell, produces many progeny viruses (virions) , and lyses the host cell.
B) Virus X enters the host cell and merges viral DNA with the host DNA so that the virus is copied into all progeny host cells.
C) Virus X enters the host cells, merges viral DNA with the host DNA until the host cell is stressed, and then begins to produce many virions eventually lysing the host cell.
D) Virus X enters the host cell and consistently makes virions at a low level so that all host cell functions are not disrupted.
E) Virus X enters the host cell, makes many progeny virions, and releases virions through exocytosis so that each virion is wrapped in the host cell plasma membrane.The host cell will eventually die or be targeted by the immune system for apoptosis.
Correct Answer:
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Q2: Which of the following is NOT important
Q3: Which of the following is recognized by
Q4: One mechanism that viruses use to avoid
Q5: Viruses such as Epstein-Barr virus, cytomegalovirus, and
Q6: By which mechanisms can bacterial pathogens evade
Q7: Which pathogen would be LEAST affected by
Q8: Each of the following is a step
Q9: _ is/are known as an endotoxin.
A)C3a
B)Capsular proteins
C)Flagellar
Q10: Anaphylatoxins stimulate a localized inflammatory response, which
Q11: Which of the following are anaphylatoxins?
A)C1 and
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