Answer:
these two processes supply the electrons that are needed for the electron transport chain
Explanation:
Oxidative phosphorylation is the process in which electrons transfer from electron donors to electron acceptors (usually oxygen). These reactions are called redox reactions, and they provide energy used to form ATP.
Electron donors (NADH and FADH2) used in oxidative phosphorylation are produces in some of the catabolic biochemical processes, such as glycolysis, the citric acid cycle, and beta oxidation. The NADH and FADH2 are energy-rich molecules because each of them contains a pair of electrons thus having a high transfer potential. Because of that, oxidative phosphorylation could not happen without first obtaining electron donors in glycolysis and citric acid cycle.
Oxidative phosphorylation could not occur without glycolysis and the citric
acid cycle, because the electron donors used aren't generated until after the completion of glycolysis and citric acid cycle.
Oxidative phosphorylation involves electrons transfer from electron donors
such as NADH₂ and FADH which are formed after glycolysis and citric acid
cycle to electron acceptors. These helps to generate ATP in a redox type of
reaction.
Oxidative phosphorylation takes place in the mitochondria and is vital in the conversion of chemical energy into ATP.
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