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14 October, 07:40

Which is the role of restriction enzymes?

A) to isolate the selected gene

B) to cut DNA into fragments to different lengths

C) to move and separate the strands of DNA

D) to join the sticky ends of DNA fragments

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  1. 14 October, 09:37
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    The role of restriction enzymes is B. to cut DNA into fragments to different lengths. Restriction enzymes are also known as restriction endonucleases. These enzymes find specific patterns of nucleotides in the DNA molecule and cut the DNA along the sites where it sees those patterns. Restriction enzymes are essential for recombinant DNA technology as steps in sequencing DNA.
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