NEET BIOLOGY

Detailed explanation-1: -Restriction enzymes belong to a larger class of enzymes called Nucleases. They cut DNA at special pelindromic sequence. Restriction enzymes are of two types-Restriction endonuclease and Restriction exonuclease.

Detailed explanation-2: -Restriction enzymes are one class of the broader endonuclease group of enzymes.

Detailed explanation-3: -Exonucleases and endonucleases are two classes of restriction enzymes. The function of Exonucleases is to remove the nucleotides from the ends of the DNA while the Endonucleases play a major role in cutting the DNA at specific sites between the ends of DNA.

Detailed explanation-4: -restriction enzyme, also called restriction endonuclease, a protein produced by bacteria that cleaves DNA at specific sites along the molecule. In the bacterial cell, restriction enzymes cleave foreign DNA, thus eliminating infecting organisms.

Detailed explanation-5: -Restriction enzymes are traditionally classified into four types on the basis of subunit composition, cleavage position, sequence specificity and cofactor requirements.