Biochemistry 2 Views 1 Answers
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Sourav PanDecember 14, 2024

What are the three fates of pyruvate in carbohydrate metabolism?

What are the three fates of pyruvate in carbohydrate metabolism?

Sourav Pan
Sourav PanDecember 14, 2024

Answered

The three fates of pyruvate in carbohydrate metabolism are: 1) Conversion to Acetyl-CoA: Under aerobic conditions, pyruvate is converted into acetyl-CoA, which enters the citric acid cycle and contributes to ATP production. 2) Lactic Acid Fermentation: In the absence of oxygen, pyruvate is converted into lactate, regenerating NAD+ for glycolysis to continue. 3) Alcoholic Fermentation: In some cells (like yeast), pyruvate is converted to ethanol and CO2 under anaerobic conditions, again regenerating NAD+ to sustain glycolysis.

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