Elution means? - Vidyadip

MCQ

Elution means?

A
Separation of DNA fragments on agarose gel
B
Cutting and extraction of DNA bands from the agarose gel
C
Making the DNA bands visible under UV radiation
D
Isolation of alien DNA from the choice organism

✓

Answer

Cutting and extraction of DNA bands from the agarose gel

Explanation:

B. Cutting and extraction of DNA bands from the agarose gel.

Solution : Cutting and extraction of DNA is done to separate the DNA from the gel in which it is collected. Water or a low salt buffer is added to break the cation bridge and dislodge the DNA from the gel and elute it.

So the correct answer is " B. Cutting and extraction of DNA bands from the agarose gel."

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