Match the Following. -Nonessential Amino Acid

Match the following.
-nonessential amino acid

A) an amino acid whose carbon skeleton can be converted to a citric acid cycle intermediate,that ultimately becomes glucose
B) an amino acid whose carbon skeleton can be converted to a citric acid cycle intermediate that later becomes a ketone body or a fatty acid
C) the biochemical pathway that converts nitrogen and its derivatives to a less toxic form for excretion
D) an amino acid which can be synthesized by the human body as needed
E) the collection of all the free amino acids in the body
F) the transfer of an amine group from an amino acid to an α-keto acid
G) an amino acid that must be obtained in the diet because humans do not have the appropriate anabolic pathways for its synthesis