Lactic Acid Fermentation is a type of anaerobic respiration that occurs in human muscle cells. It yields only _ % of the energy present in a glucose molecule.
Correct answer: A. 2
- A. 2
- B. 7
- C. 10
- D. 20
Explanation
Lactic acid fermentation is a type of anaerobic respiration that occurs in human muscle cells when oxygen availability is limited, such as during intense physical exercise. In lactic acid fermentation, glucose is partially oxidized to lactic acid, and it yields only about 2% of the energy present in a glucose molecule.
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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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