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Biology · PYQ NEET UG 2020

हिन्दी

In gel electrophoresis, separated DNA fragments can be visualized with the help of:

  1. Ethidium bromide in UV radiation
  2. Acetocarmine in UV radiation
  3. Ethidium bromide in infrared radiation
  4. Acetocarmine in bright blue light

Correct answer · Option 1

Ethidium bromide in UV radiation

Explanation

Separated DNA fragments are stained with ethidium bromide and exposed to UV radiation to visualize them as bright orange fluorescent bands.
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