Question

what is restriction enzyme?????​

Answer 1

Answer:

A restriction enzyme is a protein that recognizes a specific, short nucleotide sequence and cuts the DNA only at that specific site, which is known as restriction site or target sequence. ... In live bacteria, restriction enzymes function to defend the cell against invading viral bacteriophages.

Explanation:

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Answer 2

Answer:

A restriction enzyme is a protein that recognizes a specific, short nucleotide sequence and cuts the DNA only at that specific site, which is known as restriction site or target sequence. More than 400 restriction enzymes have been isolated from the bacteria that manufacture them.