By a Simple Transamination Reaction, Intermediates in Glycolysis or the Kreb's

Multiple Choice

By a simple transamination reaction, intermediates in glycolysis or the Kreb's Cycle can be converted in one step to all of these amino acids, except :

A) Alanine.
B) Aspartic Acid
C) Glutamic Acid.
D) Serine.
E) All of these amino acids are only one step away from the major metabolic pathways.