alleryAlcoholic fermentation produces, besides ethanol,
Alactic acid
BCO₂
Cwater
DO₂
Answer & Solution
Correct answer: B. CO₂
Pyruvate → acetaldehyde + CO₂, then acetaldehyde → ethanol.
The CO₂ makes bread rise.
**Net:** glucose → 2 ethanol + 2 CO₂ + 2 ATP.
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