Figure 7.2
-What happens at the end of the chain in Figure 7.2?
A) Two electrons combine with a proton and a molecule of NAD+.
B) Two electrons combine with a molecule of oxygen and two hydrogen atoms.
C) Four electrons combine with a molecule of oxygen and four protons.
D) Four electrons combine with four hydrogen and two oxygen atoms.
E) One electron combines with a molecule of oxygen and a hydrogen atom.

Question

Figure 7.2
-What happens at the end of the chain in Figure 7.2?
A) Two electrons combine with a proton and a molecule of NAD+. 
B) Two electrons combine with a molecule of oxygen and two hydrogen atoms. 
C) Four electrons combine with a molecule of oxygen and four protons. 
D) Four electrons combine with four hydrogen and two oxygen atoms. 
E) One electron combines with a molecule of oxygen and a hydrogen atom.

Quizplus · Accepted Answer

Four electrons combine with a molecule of oxygen and four protons to form two molecules of water.

Figure 7.2 -What Happens at the End of the Chain in Figure