Biology · PYQ NEET UG 2022

Which one of the following statement is not true regarding gel electrophoresis technique?

1. A
   The presence of chromogenic substrate gives blue coloured DNA bands on the gel.
2. B
   Bright orange coloured bands of DNA can be observed in the gel when exposed to UV light.
3. C
   The process of extraction of separated DNA strands from gel is called elution.
4. D
   The separated DNA fragments are stained by using ethidium bromide.