🟪 Oxidative Phosphorylation (Stage 3 – in the inner mitochondrial membrane)
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8th Grade Biology 1
Last updated 2:48 AM on 11/12/25
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7 Terms
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Oxidative Phosphorylation
Final stage of cellular respiration; uses electron transport and chemiosmosis to produce most ATP
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Electron Transport Chain
Series of proteins in the inner mitochondrial membrane that pass electrons and pump H⁺ ions
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Chemiosmosis
Process where H⁺ flows through ATP synthase, driving ATP production
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ATP Synthase
Enzyme that synthesizes ATP using energy from H⁺ gradient
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Oxygen
Final electron acceptor in the electron transport chain; forms water
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NADH and FADH₂
Electron carriers that store energy and donate electrons to the electron transport chain
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Inner Mitochondrial Membrane
Site of the electron transport chain and ATP synthase
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