Question

Aerobic respiration has three stages: glycolysis, Krebs cycle, and the electron transport chain. what are the end products of the electron transport chain
A.) water and atp
B.) NADH and FADH2
C.) oxygen and glucose
D.) hydrogen ions and oxygen

Answer 1

I think it’s A because electrons actually taken up by oxygen molecules to make water.

Answer 2

Answer:

A.) water and atp

Explanation:

The Electron Conveyor Chain constitutes, together with oxidative phosphorylation, one of the two processes that make up the respiratory chain. In this process the cofactors that were previously reduced in the Krebs cycle are oxidized, and the electrons that they yield are transported along the sequence of oxidation reduction reactions, to the final electron acceptor, which is oxygen.

It should be clarified that the order in which the electrons are transported is always the same and that in most cases the substrate will be the NADH, formed in the Krebs Cycle, which when oxidized to NAD + can rejoin that cycle. . The reduced cofactors when traveling through the different complexes that form said conveyor chain will be oxidized, releasing energy, which is transformed into a proton gradient. This energy will be used later in the oxidative phosphorylation process for ATP formation. The electron receptor is oxygen which, thanks to this, will be transformed into water.

Therefore the 2 final products of the electron transport chain are going to be ATP and water