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: Medicine
[{'content': 'RNA fragments are sequenced by - \nSelect and explain. \nA. Eastern-blot, B. Western blot, C. Northern blot, D. Southern-blot', 'role': 'user'}, {'content': "Answer: C \nExplanation: Blotting techniques combine a fractionation and a detection method to provide a sensitive technique for analysis of DNA, RNA and Protein.\n\n\nSouthern blot \xa0: \xa0For 'DNA'\nNorthern blot \xa0 : \xa0For 'RNA'\nWestern blot \xa0 \xa0: \xa0For 'Protein' (Immunoblotting)", 'role': 'assistant'}]