Why Do RNA Viruses Appear to Have Higher Rates of Mutation

question 38

Multiple Choice

Why do RNA viruses appear to have higher rates of mutation?

• A)RNA nucleotides are more unstable than DNA nucleotides.
• B)Replication of their genomes does not involve the proofreading steps of DNA replication.
• C)RNA viruses replicate faster.
• D)RNA viruses can incorporate a variety of nonstandard bases.
• E)RNA viruses are more sensitive to mutagens.

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