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What are restriction enzymes, where are the isolated from (and how does this relate to the...

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Biology

What are restriction enzymes, where are the isolated from (and howdoes this relate to the name of othe restriction enzyme?) what dothey do, and how are they used in making recombinantorganisms?

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Restriction enzymes RE are enzymes that cleave the DNA at specific sites They recognise specific 46 unique set of nucleotides in the DNA The sequences are palindromic indicating that the complimentary DNA strand has the same sequence of nucleotide However these nucleotides are in the reverse direction Both strands are cut at the same location Restriction endonucleases are of three types type I II and III Type II restriction enzymes cleave the DNA within the specific palindromic sequence However type I and III restriction enzymes cleave the DNA outside the palindromic sequence Type II are preferred for recombinant DNA as they can generate cleavages in    See Answer
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