What amount of energy is released from glucose during lactic acid fermentation?

Options

1. More than 18%
2. About 10%
3. Less than 7%
4. Approximately 15%

Correct Answer

Less than 7%

Explanation

Lactic acid fermentation is anaerobic and yields only ~2 ATP per glucose molecule, i.e., less than 7% of total energy potential.

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