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': 'What type of probe is used in western blot technique \nSelect and explain. \nA. tRNA, B. mRNA, C. Antibody, D. Mutant and normal oligonucleotides', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Western blotting is done to detect proteins. Radiactive labelled antibody is used as probe.', 'role': 'assistant'}]