Which of the following chemical activity is involved in the conversion of pyruvate into acetaldehyde during anaerobic respiration?
Correct answer: B. Decarboxylation
- A. Reduction
- B. Decarboxylation
- C. Oxidation
- D. Phosphorylation
Explanation
During anaerobic respiration, specifically in a process called alcoholic fermentation, decarboxylation is involved in the conversion of pyruvate into acetaldehyde. This process occurs in certain microorganisms, such as yeast, under anaerobic conditions.Decarboxylation: Pyruvate loses a carbon dioxide (CO2) molecule, resulting in the formation of acetaldehyde. This step is catalyzed by the enzyme pyruvate decarboxylase. Pyruvate→Acetaldehyde+CO2
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