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': 'Splicing Activity is a functions of \nSelect and explain. \nA. m RNA, B. Sn RNA editing, C. r RNA, D. t RNA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sn-RNA is involved in RNA splicing.\nSno-RNA\xa0→\xa0r-RNA modification\nmi-RNA & St-RNA\xa0→\xa0Regulation of gene expression\n\xa0SP-RNA\xa0→\xa0RNA-interference (RNA i)', 'role': 'assistant'}]