Integration of the viral RNA genome into host cell chromosomal DNA is required for the replication cycles of which virus(es)?

Integration of the viral RNA genome into host cell chromosomal DNA is required for the replication cycles of which virus(es)?



A. Herpes viruses
B. Retroviruses
C. Influenza viruses
D. Papillomaviruses
E. None of the above.


Answer: B. Retroviruses


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