NEET 2017 Biology question

The DNA fragments separated on an agarose gel can be visualised after staining with

(1)Bromophenol blue
(2)Acetocarmine
(3)Aniline blue
(4)Ethidium bromideCorrect

Answer: (4)

Solution

Separated DNA fragments are stained with ethidium bromide, which intercalates in DNA and gives bright orange bands when exposed to UV light. Bromophenol blue is only

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Question ID VK-092159