Principle of homogeneity

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.

How to stop staring at people in school if you have a staring problem?

Recall what you know about common challenges to mental and emotional health. what are some signs or traits of individuals with low self-esteem, stress, depression, and mental disorders