Biotechnology Principles And Processes
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Biotechnology Principles And Processes Ques 37
37. Gel electrophoresis is used for
(a) cutting of DNA into fragments
(b) separation of DNA fragments according to their size
(c) construction of recombinant DNA by joining with cloning vectors
(d) isolation of DNA molecule
Show Answer
Answer : b
Hints & Solutions
(b) Gel electrophoresis is a technique far separation of DNA fragments according to their size. DNA is negatively charged so in gel tank when electricity is passed, DNA move towards positive electrode.





