Which Step Is NOT Catalyzed by the Pyruvate Dehydrogenase Complex

Multiple Choice

Which step is NOT catalyzed by the pyruvate dehydrogenase complex?

A) E1 catalyzes the decarboxylation of pyruvate.
B) E1 catalyzes the oxidation of a hydroxyethyl group to an acetyl group.
C) E2 catalyzes the transfer of an acetyl group to CoA-SH
D) E3 catalyzes the reduction of oxidized lipoate.
E) E3 catalyzes the transfer of electrons from FADH₂ to NAD⁺.