Why Do RNA Viruses Appear to Have Higher Rates of Mutation

question 5

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 proofreading.
• C) RNA viruses can incorporate a variety of nonstandard bases.
• D) RNA viruses are more sensitive to mutagens.