A) Removing extra electrons and H+ creates more NAD+ and FAD which can then return to Glycolysis and Krebs Cycle to keep Aerobic Respiration going, making lots of ATP.
B) Removing extra electrons and H+ creates more ATP which can return to Glycolysis & Krebs Cycle to keep Aerobic Respiration going, thus making lots of NADH & FADH2.
C) It is an important part of the nergy generating process of the warp drives of Klingon battle cruisers.