Which of the Following Regarding the Process of Transamination Is

Which of the following regarding the process of transamination is correct?

A) The coenzyme needed is thiamine pyrophosphate (TPP) .
B) It is characterized by the transfer of an α-carboxyl group from an amino acid to the α-keto position of an α-keto acid.
C) The amino donor becomes an α-keto acid.
D) Humans are capable of synthesizing the α-keto acid analog of essential amino acids and using transamination to form the amino acids,but are not able to construct carbon skeletons of the non-essential amino acids.