Justin is looking at two chromosomes that have identical alleles for a particular trait. these chromosomes would be considered chromosomes.

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

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Oak and maple trees, chipmunks, white-tail deer, and black bears emerging from hibernation are all organisms that may be found in which biome