The Direct Energy Source That Drives ATP Synthesis During Respiratory

question 45

Multiple Choice

The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation in eukaryotic cells is

• A) oxidation of glucose to CO₂ and water.
• B) the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers.
• C) the final transfer of electrons to oxygen.
• D) the proton-motive force across the inner mitochondrial membrane.
• E) the thermodynamically favorable transfer of phosphate from glycolysis and the citric acid cycle intermediate molecules of ADP.

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