PLEASE HELP WITH THIS ONE QUESTION What is the electron transport chain?

A) a stage in which NAD+ and FAD give up their electrons to produce water needed by cells

B) a process in which ATP gives up its phosphate group to produce NADH and FADH2, which are required by the citric acid cycle

C) a process in which ATP gives up its phosphate group to drive the production of cell processes

D) a stage in which NADH and FADH2 give up their electrons to drive the production of many ATP molecules

In glycolysis and the Krebs cycle, NADH molecules are formed from NAD+. Meanwhile, in the electron transport chain, all of the NADH molecules are subsequently split into NAD+, producing H+ and a couple of electrons, too. ... In each of the enzymatic reactions, NAD+ accepts two electrons and a H+ from ethanol to form NADH.

goog may have it for you

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.