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Question

is used for staining to visualise DNA in a gel.

A
NaOH
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B
EtBr
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C
HCl
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D
Agarose
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Solution

The correct option is B EtBr
Ethidium bromide (EtBr) is used for DNA staning to observe DNA in a gel. EtBr binds between the double helix and gives bright orange colour when observed under UV light.


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