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': 'Western blot is used for - \nSelect and explain. \nA. DNA, B. RNA, C. Sugar, D. Protein', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Protein o Visualization of a specific DNA or RNA fragment among the many thousand of contaminating molecules requites the convergence of number of techniques collectively termed the blot transfer.Southern blot -Detects DNANorthern blot -Detects RNAWestern blot -Detects proteins (proteins are separated by electrophoresis, renatured and analysed for an interaction by hybridization with a specific labelled DNA probe)", 'role': 'assistant'}]