The transfer of hydrogen to the etc is made possible because of made from b vitamins

The transfer of hydrogen to the ETC is made possible because of coenzymes made from b vitamins. An electron transport chain (ETC) is a series of complexes that transfer electrons from electron donors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+) across a membrane.

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