Not a nucleic acid test: (A) Western blot, (B) Southern blot, (C) Nohern blot, (D) Microarray
Answer is A. The western blot (sometimes called the protein immunoblot) is a widely used analytical technique used in molecular biology, immunogenetics and other molecular biology disciplines to detect specific proteins in a sample of tissue homogenate or extract Ref-Harpers illustrated biochemistry 30/e p380