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
Western Blot detects 
Select and explain. 
A. DNA, B. RNA, C. Protein, D. mRNA
C: Protein
Answer: C: Protein 
Explanation: In this technique, proteins are identified Proteins are isolated from the tissue and electrophoresis is done Separated protein are then transferred on to nitrocellulose membrane After fixation, it is probed with radioactive antibody and autoradiographedRef: DM Vasudevan, 7th edition, page no: 634