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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following RNA has abnormal purine bases:
assistant
The correct answer is  t RNA has unusual bases such as Dihydrouracil (DHU), pseudouridine, hypoxanthine. Ref: Textbook of Biochemistry By DM Vasudevan, 3rd Edition, Pages 355-6 ; Lippincott Biochemistry, Pages 379, 344