This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'FIGLU is related to - \nSelect and explain. \nA. Tyrosine, B. Tryptophan, C. Histidine, D. Proline', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Histidine* FIGLU test or Formiminoglutamate test is done to detect the deficiency of folate.* This test is based on histidine metabolism.", 'role': 'assistant'}]