CHEM 153A Study Guide - Final Guide: Mitochondrial Matrix, Electrochemical Gradient, Cytochrome C Oxidase

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Etc: reoxidation of nadh and fadh2 in the mitochondrial matrix. Provides electrical energy: sequential oxidation-reduction of multiple linked redox centers. Electron transport is an exergonic process (coupled with. Energy used to produce a proton gradient across the mitochondrial inner membrane: a form of chemical energy (storage) Provide electrical e when transferring electrons to redox. Flow between these centers before reaching the end. I: transfer e from nadh to coq in the inner mitochondrial membrane (lipid-soluble mobile e carriers) Ii: succinate dh/ a subunit of the enzyme. Coq: mobile carrier to iii where transfer e to cytochrome-c 2nd mobile point can travel between enzymes* I, iii, iv transfer protons into the intermembrane space. Converts chemical energy (ph gradient/ diffference in [h+]) into mechanical energy (rotation) Convert chemical e to kinetic e, which is used = f1 from dissipating. In intact mitochondria, electron transport requires simultaneous synthesis of atp. When o2 decreased = show a etc function/ activity.

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