Question

what do you understand by restriction enzyme?give the name of any two

Answer 1

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

2 restriction enzymes are
1 - Escherichia coli
2 - Bacillus amyloliquefaciens

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Answer 2

Restriction enzyme is an enzyme produced chiefly by certain bacteria, that has the property of cleaving DNA molecules at or near a specific sequence of bases.
Eg. EcoRI, BamHI, HindIII, TaqI etc.