Before entering Krebs cycle, the pyruvate decarboxylated into:
Correct answer: D. Acetaldehyde
- A. a-kerogluteric acid
- B. Glyceric acid
- C. Citirc acid
- D. Acetaldehyde
Explanation
Glycolysis results in pyruvate fonnation. It enters mitochondria where an enzyme pyruvatc decarboxylase removes carbon dioxide from it. This decarboxylation results in formation of acetic acid.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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Biological oxidation involves removal of hydrogen, linked with specific coenzymes and is catalyzed by:
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Before pyruvate enters the citric acid cycle, it is de carboxylated, oxidized and combined with coenzyme A, forming acetyl CoA, carbon dioxide and one molecule of:
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Which of the following is the final acceptor of electron in respiratory chain?
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