AP Biology : Understanding Viruses and Prions

Study concepts, example questions & explanations for AP Biology

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Example Questions

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Example Question #31 : Understanding Viruses And Prions

Successful reproduction of a lytic virus requires all of the following except which of these?

Possible Answers:

Binding of the virus to the host cell

Replication of the viral genome

Translation of viral DNA

Entry of the virus into the host cell

Incorporation of viral DNA into host DNA

Correct answer:

Incorporation of viral DNA into host DNA

Explanation:

A lytic virus does not require incorporation into the host cell's DNA. Instead, a lytic virus must attach to it's host cell and enter. Once the virus enters, it can take over the hosts' cellular proteins to replication. After replication, the copies will burst from the host cell and spread throughout the extracellular environment.

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