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Biology · PYQ NEET UG 2017

हिन्दी

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

  1. bromophenol blue
  2. acetocarmine
  3. aniline blue
  4. ethidium bromide

Correct answer · Option 4

ethidium bromide

Explanation

Ethidium bromide (EtBr) is used to stain DNA fragments on an agarose gel, which fluoresces under UV light.

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