Recall: Proton-motive force
Synthesis of ATP requires 34.5 kJ/mol.
The synthesis of one ATP molecule requires 2H+ to pass through the phosphorylation enzyme. The difference in free energy when a molecule travels from a region of high activity to a region of low activity is
How big must the pH difference be (at 298 K) if the passage of two protons is to provide enough energy to synthesize one ATP molecule?
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