What is the main “ultimate” effect exercise has on a person’s heart and blood pressure?

Who is responsible for regaulating noise pollution

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.