The "Spent" Electrons from Electron Transport in Aerobic Respiration Are

Multiple Choice

The "spent" electrons from electron transport in aerobic respiration are transferred to

A) nitrogen, reducing it to form NADH.
B) oxygen, reducing it with with hydrogen to form water.
C) carbon dioxide, in order to allow it to enter the Krebs cycle.
D) sulfur, oxidizing it to form more hydrogens in the concentration gradient.
E) hydrogen, to neutralize its charge before passing through ATP synthase.