This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Biochemistry
[{'content': 'Western blot is done for: \nSelect and explain. \nA. DNA, B. RNA, C. Lipid, D. Protein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Western Blotting detects Protein. Nohern Blotting detects RNA. Southern Blotting detects DNA. South-Western Blotting detects protein-DNA interactions. Technique Sample Analyzed Probe Southern Blot / DNA - DNA Hybridization DNA DNA Nohern Blot / RNA - DNA Hybridization RNA DNA Western Blot / Immuno Blot Protein Antibody South Western Blot Protein - DNA DNA Microarray mRNA or cDNA DNA ELISA Protein or Antibody Fig.: Basic Principle of Blotting', 'role': 'assistant'}]