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  4. During gel electrophoresis, which chemical is used for visualizing the fragmented DNA -

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Q. During gel electrophoresis, which chemical is used for visualizing the fragmented DNA -

NTA AbhyasNTA Abhyas 2020Biotechnology : Principles and Processes

Solution:

In gel electrophoresis the fragmented DNA can be visualized only after staining the DNA with a compound known as ethidium Bromide followed by exposure to UV radiation, as pure DNA fragments cannot be seen in visible light without staining.