This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Biology Techniques, Subject name: Biochemistry
[{'content': 'Northern blot test is used for \nSelect and explain. \nA. DNA analysis, B. RNA analysis, C. Analysis of proteins, D. Enzyme analysis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. RNA analysis: Northern blot is used for - RNA analysis*Southern blot is used for - DNA analysis*Western blot is used for - Protein analysis*Mnemonic:South is Down on the globe. [i.e. South-DNA'", 'role': 'assistant'}]