Why are NADH and FADH2 necessities in the electron transport chain
They accept electrons in order to power the electron transport chain
They move down the electron transport
chain
They remove electrons from the electron transport chain
They move electrons to the transport chain
1 answer
NADH and FADH2 are necessary in the electron transport chain because they serve as electron carriers. During cellular respiration, NADH and FADH2 are produced in the previous steps of glycolysis, the citric acid cycle, and fatty acid oxidation. These molecules then donate their electrons to the electron transport chain, where the electrons are passed through a series of protein complexes, ultimately producing ATP. NADH donates its electrons to Complex I of the electron transport chain, while FADH2 donates its electrons to Complex II. The movement of electrons down the electron transport chain generates a proton gradient, which is used to produce ATP through the process of oxidative phosphorylation. Therefore, NADH and FADH2 play a vital role in powering the electron transport chain and ultimately producing ATP.
1 answer