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': 'Amino acids not coded by triplet codon: \nSelect and explain. \nA. Lysine, B. Hydroxyproline, C. Selenocysteine, D. Pyrrolysine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Hydroxyproline', 'role': 'assistant'}]