🎓 IB Exam Prep

Which stage of aerobic cellular respiration produces the most ATP?

A Glycolysis
B Krebs cycle (Citric Acid Cycle)
C Electron transport chain
D Pyruvate oxidation

✓ Correct Answer: Option C

The electron transport chain, through oxidative phosphorylation, utilizes the energy stored in NADH and FADH2 to generate a large amount of ATP, typically around 28-34 molecules per glucose.

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