CELL RESPIRATION
THE KREBS CYCLE
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Detailed explanation-1: -The Krebs cycle starts with acetyl-CoA, whereas pyruvic acid is the end product of glycolysis. When one molecule of pyruvic acid is converted to acetyl coA there is the synthesis of one molecule of reduced coenzyme NADH2, which yields 3 molecules of ATP during oxidation by mitochondrial electron transport system.
Detailed explanation-2: -Each acetyl CoA enters into citric acid cycle and yields 3 NADH2 (9 ATP), 1 FADH2 (2 ATP) and 1 GTP (1 ATP). Therefore, altogether 12 ATP molecules will be produced from each mole of acetyl-CoA.
Detailed explanation-3: -Thus, one acetyl CoA forms one ATP molecule. Hence, the two will form 2 ATP molecules in one cycle of the Krebs cycle.
Detailed explanation-4: -The Krebs cycle is the second phase in cellular respiration. It occurs in the mitochondria in the cell. The number of ATP molecules produced in the Krebs cycle is 2.
Detailed explanation-5: -Acetyl-CoA Synthesis It is the oxidation of the acetate portion of acetyl-CoA that produces carbon dioxide and water. The energy thus released is then captured in the form of ATP.