A. Name the breakdown product of glucose which enters into the mitochondria during aerobic respiration.
B. What is the meaning of glycolysis ?
C. Name the enzyme responsible for phosphorylation of glucose and fructose into glucose-6-phosphate and fructose-6-phosphate.
D. Write hte chemical reaction of citric acid cycle in which the FAD is reduced to `FADH_(2)`.
E. How many ATP molecules are generated during the complete breakdown of pyruvic acid molecule in aerobic respiration ?