NEET Biology question

Gel electrophoresis is used for:

(A)Isolation of DNA molecule
(B)Cutting of DNA into fragments
(C)Separation of DNA fragments according to their sizeCorrect
(D)Construction of recombinant DNA by joining with cloning vectors

Answer: (C)

Solution

Gel electrophoresis neither isolates DNA from cells nor cuts DNA (that is done by restriction enzymes) nor constructs recombinant DNA (done by ligase),

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Question ID VK-124871