Even though many people realize the power of routine physical exams, they are hesitant to schedule. What factors may impact a patient’s compliance-following through-with standard preventive care? this Biomed Sci PLTW but in a sentence

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.