Question

What happends when 2 hydrogen atoms enter the ETS as part of either NADH or FADH2?

A: Two hydrogen and one oxygen form a molecule of water
B: The two hydrogen atoms are split into two H+ and two electrons
C: Oxygen is produced, while hydrogen is consumed to make ATP
D: ATP is energized to form ATP in a anaerobic electron exchange.

Answer 1

B  is your answer because when two hydrogen atoms enter the ETS as part of either NADH or FADH2, the two hydrogen atoms are split into two H+ and two electron.