O-LevelBiologyRespiration5090/11 · May/June 2023 · Q161 Mark
Which equation shows the type of respiration that can cause an 'oxygen debt' in muscles during vigorous exercise?
Aglucose + oxygen → carbon dioxide + water
Bglucose → lactic acid
Cglucose → ethanol + carbon dioxide
Dglucose → lactic acid + carbon dioxide + water
✓ Correct answer
B: glucose → lactic acid
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