Question

What is the role of ethidium bromide during agarose-gel electrophoresis of DNA fragments?

Answer 1

Hey dear ur answer is here...!!

Ethidium Bromide (EtBr) is sometimes added to running buffer during the separation of DNA fragments by agarose gel electrophoresis. It is used because upon binding of the molecule to the DNA and illumination with a UV light source, the DNA banding pattern can be visualized.

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Answer 2

Answer:

for staining of dna fragments ..

Explanation:

Dna fragments cant be seen and distinguised without staining so ethidium bromide is used to stain it.