Which of the following is not true for the nicotinamide cofactors?
A)The oxidized form is positively charged.
B)The reduced form has a large extinction coefficient at 340 nm.
C)The oxidized form provides reducing equivalents to other molecules.
D)Oxidation-reduction reactions with nicotinamides usually involve hydride transfer.
E)Enzymes transfer hydrides stereospecifically to one or the other side of the nicotinamide ring.

Question

Quizplus · Accepted Answer

The oxidized form of nicotinamide cofactors, such as NAD+, does not provide reducing equivalents; instead, it accepts electrons (as hydrides) to become reduced to NADH.

Which of the Following Is Not True for the Nicotinamide