BIOL 1020 Lecture Notes - Lecture 14: Oxidative Phosphorylation, Intermembrane Space, Electron Transport Chain

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BIOL 1020 Full Course Notes
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BIOL 1020 Full Course Notes
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Biol 1020: lecture 14 oxidative phosphorylation, catabolism without oxygen. Answer: pyruvate becomes oxidized acetyl coa produced. Atp synthesis in cellular respiration: oxidative phosphorylation, see figure , about 26-28 from, electron transport, chemiosmosis. Is a proton motive force: can be used to do work atp synthesis: chemiosmosis, protons (h+) move back into matrix through atp. Synthase (like facilitated diffusion: energy released used by atp synthase to phosphorylate adp atp, all relies on proper functioning of. Atp enzyme, atp synthase: not substrate level phosphorylation. If proton movement used to generate atp mitochondria are coupled: not al(cid:449)ays the (cid:272)ase . Uncoupled mitochondria: protons allowed to move back into matrix without atp synthase, process now uncoupled, energy released from process (high low concentration, e(cid:374)ergy (cid:374)ot har(cid:374)essed to (cid:373)ake atp . Review: organic molecules, nadh, proton motive force, oxidative phosphorylation. How is rate of cellular respiration controlled: atp supply and demand, when atp drop rate of respiration rise, when atp rise respiration slow down.

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