Southern blot is used to visualize -: (A) RNA, (B) DNA, (C) Protein, (D) Antibody
Answer is B. Ans. is 'b' i.e., DNA o Visualization of a specific DNA or RNA fragment among the many thousand of contaminating molecules requires the convergence of number of techniques collectively termed the blot transfer.Southern blot-Detects DNANorthern blot-Detects RNAWestern blot-Detects proteins (proteins are separated by electrophoresis, renatured and analysed for an interaction by hybridization with a specific labelled DNA probe).