which of the following genotypes is homozygous dominant?

tt
ff
xy
ss

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

Someone me with this: a mineral' is determined by its actomic structure.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.