Biology 1002B Lecture Notes - Lecture 7: Cellular Respiration, Oxidative Phosphorylation, Electrochemical Gradient

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2: the same cellular respiration occurs in bacteria and there is nothing limited in eukaryotes or prokaryotes, during transport of pyruvate from cytoplasm into the mitochondria, some atp is lost, pyruvate oxidation and the citric acid cycle. Coa), which is formed from the oxidation of pyruvate, enters a metabolic cycle, where it is completely oxidized to carbon dioxide. Some atp and nadh is synthesized: oxidative phosphorylation. The nadh synthesized by both glycolysis and the citric acid cycle is oxidized, with the liberated electrons being passed along an electron transport chain (etc) until they are transferred to oxygen, producing water. The free energy released during electron transport is used to generate a proton gradient across a membrane, which, in turn, is used to synthesize atp. 5: etc and atp synthase are (cid:862)(cid:272)oupled(cid:863) in both photosynthesis and cellular respiration by the concentration gradient of h+.

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