The endoplasmic reticulum is an organelle that make and__proteins and lipids.(fill in the blank)

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

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

What best describes the dropping height of a ball that bounces back up to a height of 45 cm