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 RNA has highest percentage of modified bases \nSelect and explain. \nA. mi RNA, B. sn RNA, C. t RNA, D. r RNA', 'role': 'user'}, {'content': 'Answer: C \nExplanation: t RNA has modified bases like dihydrouridine, Pseudouridine, Indosine, Ribothymidine.', 'role': 'assistant'}]