Northern blot is used to detect ?
a) Protein
b) Immunoglobulin
c) RNA
d) DNA
Correct Answer - C
Ans: C. RNA
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 DNA
Northern blot → Detects RNA
Western blot → Detects proteins (proteins are separated by
electrophoresis, renatured and analysed for an interaction by
hybridization with a specific labelled DNA probe).