This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'Nohern blotting is used for analysis of \nSelect and explain. \nA. DNA, B. RNA, C. Proteins, D. Polysaccharides', 'role': 'user'}, {'content': 'Answer: B \nExplanation: To demonstrate specific RNA The total RNA is isolated from the cell, electrophoresed and then blotted on membrane Probed with radioactive cDNA There will b RNA-DNA hybridization Used to detect the gene expression in a tissueRef: DM Vasudevan, 7th edition, page no: 634', 'role': 'assistant'}]