In the electron transport chain,H⁺ ions are pumped across the inner membrane of the mitochondrion,forming a high concentration of H⁺ ions in the intermembrane space,thus creating a potential energy gradient.

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The electron transport chain pumps H⁺ ions from the mitochondrial matrix to the intermembrane space, creating a proton gradient that drives ATP synthesis.

In the Electron Transport Chain,H+ Ions Are Pumped Across the Inner

In the Electron Transport Chain,H⁺ Ions Are Pumped Across the Inner