Q. The DNA fragments separated on an agarose gel can be visualised after staining with
(a) acetocarmine (b) aniline blue (c) ethidium bromide (d) bromophenol blue.
Answer (c) The separated DNA fragments can be seen only after staining them with a compound known as ethidium bromide (EtBr) followed by exposure to UV radiation as bright orange coloured bands.
