Of the three major stages of cellular respiration, the electron transport chain produces the most ATP. Per glucose molecule, glycolysis results in the net production of 2 ATP.
The oxidative phosphorylation process, also known as the electron transport chain, is a collection of four protein complexes that combine redox events to produce an electrochemical gradient that results in the production of ATP. Both photosynthesis and cellular respiration take place in mitochondria.
The electron transport chain's three primary steps are as follows:
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