A dying client is copying with feelings regarding impending death. The nurse bases care on the theory of death and dying by Kubler-Ross. During which stage of grieving should the nurse primarily use nonverbal interventions?

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.