NEET Zoology Biotechnology Principles and Processes Questions Solved

NEET - 2006

Restriction endonuclease :

(a) cuts the DNA molecule-randomly

(b) cuts the DNA molecule at specific sites

(c) restricts the synthesis of DNA inside the nucleus,

(d) synthesizes DNA

Restriction endonuclease is a type of enzyme that can cleave molecules of DNA at a particular site

called Restriction site having polindromic sequence. These enzymes are produced by many bacteria

and protect the cell by cleaving and destroying the DNA of invading viruses. Now a days, restriction

enzymes are widely used in the techniques of genetic engineering.

Difficulty Level:

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