what should i do in a medical emergency

Write an original phone greeting for each of these medical offices oncologist

True or false a fertilized cell divides many times to form an embryo

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.