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Animal Viruses: RNA Virus Synthesis & Replication

18. Viruses, Viroids, & Prions / Animal Viruses: RNA Virus Synthesis & Replication / Problem 3

Which of the following best describes the replication strategy of positive-sense single-stranded RNA (+ssRNA) viruses?

A

They require reverse transcription to replicate.

B

Their genome can directly serve as mRNA for protein synthesis.

C

They require a DNA intermediate for replication.

D

They must first be converted into negative-sense RNA.

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