An overweight individual's protein needs are

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.

Why do males take longerto heal from a broken heart?

What type of force does a backpack exert on the bodies back and hips? tension compression flexion extension