After doing well for a period of time, a child with leukemia develops an overwhelming infection. the child's death is imminent. which statement offers the nurse the best guide in making plans to assist the parents in dealing with their child's imminent death?

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.