Athlete's foot, also called tinea pedis, is a fungal infection of the foot. It causes peeling, redness, itching, burning, and sometimes blisters and sores. Athlete's foot is a very common infection.
-Only glucose and oxygen are needed for cellular respiration. -Carbon dioxide and water are by-products of cellular respiration. -Only glucose and oxygen are needed for cellular respiration. -Carbon dioxide and water are by-products of cellular respiration.
Cellular respiration can be broken down into 4 stages: Essentially, sugar (C6H12O6) is burned, or oxidized, down to CO2 and H2O, releasing energy (ATP) in the process. Why do cells need ATP? ALL cellular work -all the activities of life - requires energy, either from ATP or from related molecules.