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': 'Which of the following is coding RNA \nSelect and explain. \nA. sn RNA, B. mRNA, C. Both sn RNA and mRNA, D. mi RNA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: rRNA, Lnc RNA, sn RNA, mi RNA, tRNA are all non coding RNA.\nOnly mRNA is coding RNA.', 'role': 'assistant'}]