How many ATP are produced from one glucose molecule in aerobic respiration?
Correct answer: C. 36-38
- A. 2
- B. 4
- C. 36-38
- D. 40
Explanation
Aerobic respiration yields approximately 36-38 ATP per glucose: 2 from glycolysis, 2 from Krebs, and ~32 from ETC.
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About Cellular Respiration
Cellular respiration releases energy from glucose through glycolysis, the link reaction, the Krebs cycle and the electron transport chain, producing ATP. The pathway differs in oxygen availability: aerobic respiration uses oxygen and yields more ATP, while anaerobic respiration produces much less ATP and forms lactic acid in muscles or ethanol and carbon dioxide in yeast.
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