This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'All of the following are required for synthesis of glutamine except: \nSelect and explain. \nA. Glutamate, B. Ammonia, C. Pyridoxal phosphate, D. ATP', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Glutamic Acid (Glutamate)\n\nNonessential Amino Acid\nGlucogenic Amino Acid\nCentral role in metabolism of Amino Acid\nAmino group of all Amino Acids are concentrated as\xa0Glutamate by transamination.', 'role': 'assistant'}]