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End product of citric acid/Krebs cycle is

1. citric acid
2. lactic acid
3. pyruvic acid
4. CO₂ + H₂O

Correct answer: CO₂ + H₂O

Solution

The citric acid (Krebs) cycle breaks down acetyl-CoA completely, releasing carbon dioxide as the carbon atoms are oxidized. In aerobic respiration, the overall end products are carbon dioxide and water.

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