This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
[{'content': 'Glutamic acid is formed from which of the following amino acid? \nSelect and explain. \nA. Threonine, B. Proline, C. Alanine, D. Lysine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Glutamic acid is formed by the transamination of alanine and vice versa. Alanine aminotransferase is the enzyme and pyridoxal phosphate is the coenzyme.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 201, fig.15.8.', 'role': 'assistant'}]