What is produced in the muscle cells during extreme physical activity?
Correct answer: C. Lactic acid
- A. Acetyl coA
- B. Alcohol
- C. Lactic acid
- D. All of these
Explanation
Muscle cells perform lactic acid fermentation (a form of anaerobic respiration) during vigorous exercise due to decrease amount or absence of oxygen.
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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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