In which body component does lactic acid fermentation take place?
Correct answer: D. Muscles
- A. Brain
- B. Heart
- C. Liver
- D. Muscles
Explanation
During intense exercise, when oxygen level is insufficient, lactic acid fermentation occurs in skeletal muscles, leading to the accumulation of lactic acid and resulting in muscle fatigue.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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