12th Class Biology Biotechnology : Principles And Processes

  • question_answer 47)
      How does one visualize DNA on an agarose gel?

    Answer:

                      A compound called ethidium bromide stains DNA, which on exposure with ultra-violet, (uv)radiation gives orange light band of DNA. Hence, DNA fragments appear as orange band in the presence of ethidium bromide and UV light.


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