Fermentation is best defined as the breakdown of glucose
- A. using oxygen as the final electron acceptor
- B. that yields 38 ATP per molecule
- C. occurring only in the mitochondria
- D. without oxygen, yielding an incompletely oxidised organic product
Explanation
Fermentation is anaerobic and leaves energy locked in products such as ethanol or lactate, so it yields only the 2 ATP of glycolysis. Because oxygen is not the acceptor, the end products are still organic molecules rather than fully oxidised CO2 and water.
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