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: Biochemistry
[{'content': 'Not a nucleic acid test? \nSelect and explain. \nA. Western blot, B. Southern blot, C. Nohern blot, D. Microarray', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Western blot", 'role': 'assistant'}]