13.In order for NAD+ toremove electrons from glucose or other
organic molecules, which ofthe following must be true
a. the organic molecule or glucose must be negatively
chargedin order to reduce the positively charged NAD+.
b. Oxygen must be present to oxidize the NADH produced back
toNAD+
c. The free energy liberated when electrons are removed
fromthe organic molecules must be greater than the energy required
togive the electrons to NAD+.
d. A and B are both correct
e. A,B, and C are all correct.