Fundamentholfundamenthol
NEET2022Biology
Q.

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

  1. A

    Approximately 15%

  2. B

    More than 18%

  3. C

    About 10%

  4. D

    Less than 7%

Solution

Lactic acid fermentation is an anaerobic pathway that yields only 2 ATP per glucose molecule, compared with about 36-38 ATP from complete aerobic respiration.

This corresponds to less than 7% of the energy stored in glucose actually being captured during lactic acid fermentation; the rest remains locked in lactic acid.

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