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. Arginine, B. Lysine, C. Glycine, D. Phenylalanine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Essential, semiessential and non essential amino acids.\n\nEssential: Those amino acids which cannot be synthesised in the body. Hence these amino acids are to be supplied in the diet.\xa0\nSemiessential: Growing children require them in the food, but not essential in adults.\xa0\nNonessential: Amino acids which can be synthesised in the body, hence not required in the diet.', 'role': 'assistant'}]