NEET Biology question

In gel electrophoresis, the sample DNA is cut into fragments by:

(A)Restriction endonucleasesCorrect
(B)Exonuclease
(C)Endonuclease
(D)Anhydro L-galactose

Answer: (A)

Solution

Generic exonucleases, generic endonucleases, and "anhydro L-galactose" (a component of agarose, not an enzyme) do not perform the sequence-specific cutting

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Question ID VK-125042