Electron Transport Chain And Chemiosmosis

The electron transport chain, linked with chemiosmosis, constitutes the second stage of aerobic respiration. Recall that the electron transport chain is a series of molecules in a membrane that transfer electrons from one molecule to another. In eukaryotic cells, the electron transport chain and the enzyme ATP synthase are embedded in the inner membrane of the mitochondrion in folds called cristae. In prokaryotes, the electron transport chain is in the cell membrane. ATP is produced by the electron transport chain when NADH and FADH2 release hydrogen atoms, regenerating NAD+ and FAD. To understand how ATP is produced, you must follow what happens to the electrons and protons that make up these hydrogen atoms.

www.scilinks.org Topic: Krebs Cycle Keyword: HM60842

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