MCAT Organic Chemistry Review 2018-2019

(A)  3-methyl-

(B)  2-methyl-

(C)  2-hydroxy-

(D)  3-hydroxy-

12 .    NADH    is  a   coenzyme    that    releases    high-energy electrons   into    the electron    transport   chain.

It  is  known   as  nicotinamide    adenine dinucleotide    or  diphosphopyridine   nucleotide. What

functional  groups  exist   in  this    molecule?

I. Phosphate
II. Amide
III. Anhydride

(A)  I  only

(B)  II only

(C)  I  and II  only

(D)  I, II, and III

13 .    Pyruvic acid,   one of  the end products    of  glycolysis, is  commonly    called  acetylformic    acid.

Based   on  its common  name,   the structure   of  pyruvic acid    must    be: