All of the following are required for synthesis of glutamine except:: (A) Glutamate, (B) Ammonia, (C) Pyridoxal phosphate, (D) ATP
Answer is C. Glutamic Acid (Glutamate)

Nonessential Amino Acid
Glucogenic Amino Acid
Central role in metabolism of Amino Acid
Amino group of all Amino Acids are concentrated as Glutamate by transamination.