Why do silent mutations not affect the protein that the gene encodes?

Explain why the plants cortex would serve as the best food source for animals

Match each term to its best definition? sedimentary depositional enviornment

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins