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': 'Semiessential amino acid is - \nSelect and explain. \nA. Histidine, B. Alanine, C. Leucine, D. Lysine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Histidine Arginine and histidine are semi - essential amino acids.", 'role': 'assistant'}]