Answer: B
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.

RNA -dependent RNA polymerase (RdRP RDR) or RNA replicase is an enzyme that catalyzes the replication of RNA from an RNA template. Specifically it catalyze...


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