This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Southern blotting is used for - 
Select and explain. 
A. RNA, B. DNA, C. Protein, D. Antibody
B: DNA
Answer: B: DNA 
Explanation: Ans. is 'b' i.e., DNA Blotting techniques || | |Southern blottingNorthern blottingImmunoblottingorWestern blotting||For D.N.A.For R.N.A. |For antigen