lab 35 enzymes during digestion, the ph in the stomach is 2. what does this indicate about the optimum ph of pepsin, an enzyme that hydrolyzes protein in the stomach

What is the relation ship between structure and function in an organism

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

What are some natural processes that represent physical and chemical changes?