During the final step of cellular respiration (electron transport chain & oxidative phosphorylation), the mitochondria pumps H + ions from the matrix (the innermost part of the mitochondria) to the intermembrane space. This creates something called a concentration gradient. After all the H + ions are pumped into this space, where do H + ions want to move and more importantly why?

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Biology

Blaine Baxter

14 March, 22:46

During the final step of cellular respiration (electron transport chain & oxidative phosphorylation), the mitochondria pumps H + ions from the matrix (the innermost part of the mitochondria) to the intermembrane space. This creates something called a concentration gradient. After all the H + ions are pumped into this space, where do H + ions want to move and more importantly why?

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Taffy · Answer 1

Overview of oxidative phosphorylation. The electron transport chain forms a proton gradient across the inner mitochondrial membrane, which drives the synthesis of ATP via chemiosmosis