When an organism has two alleles at a particular locus that are different, the organism is called?

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

On his trip to the galapagos islands, darwin determined that animals on the islands

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.