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Question
The DNA fragments separated on an agarose gel can be visualized after staining with
The DNA fragments separated on an agarose gel can be visualized after staining with
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Solution
The correct option is A Ethidium bromide
Agarose gel electrophoresis is used to segregate DNA fragments according to the mass and size. Ethidium bromide is the fluorescent stain used in this technique. Ethidium bromide, when exposed to ultraviolet light, produces a fluorescent effect. Hence the DNA tagged by it can be traced quickly on the transparent gel. Thus the correct answer is option A.
Agarose gel electrophoresis is used to segregate DNA fragments according to the mass and size. Ethidium bromide is the fluorescent stain used in this technique. Ethidium bromide, when exposed to ultraviolet light, produces a fluorescent effect. Hence the DNA tagged by it can be traced quickly on the transparent gel. Thus the correct answer is option A.
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