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How many molecules can be generated from the complete oxidation of one molecule of during cellular respiration?
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Begin by understanding the process of cellular respiration, which consists of glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation.
In glycolysis, one molecule of glucose is converted into two molecules of pyruvate, generating 2 ATP and 2 NADH molecules.
During the citric acid cycle, each pyruvate is further oxidized, producing 1 ATP, 3 NADH, and 1 FADH2 per cycle. Since there are two pyruvate molecules, this results in 2 ATP, 6 NADH, and 2 FADH2.
In oxidative phosphorylation, the NADH and FADH2 produced are used to generate ATP. Each NADH can produce approximately 2.5 ATP, and each FADH2 can produce approximately 1.5 ATP.
Calculate the total ATP produced by adding the ATP from glycolysis, the citric acid cycle, and the ATP generated from NADH and FADH2 during oxidative phosphorylation.