The complete aerobic oxidation of glucose results in the synthesis of as many _ molecules of ATP.
Correct answer: C. 36
- A. 16
- B. 26
- C. 36
- D. 46
Explanation
The complete aerobic oxidation of one molecule of glucose results in the synthesis of approximately 30-38 molecules of ATP. This includes ATP generated through glycolysis (2 ATP), the citric acid cycle (2 ATP), and oxidative phosphorylation (electron transport chain and chemiosmosis, which produce the majority of ATP). The number often cited is 36, but it can vary based on cellular conditions such as the efficiency of electron transport and the shuttle systems used for transporting electrons into the mitochondria. Therefore, the correct answer is approximately 36 ATP, while the other options do not accurately reflect the typical ATP yield from aerobic respiration.
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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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