So far 400 such enzymes have been isolated out of which about 20 are frequently used in recombinant DNA technology:
Correct answer: D. Restriction endonucleases
- A. Reverse transcriptase
- B. Helicases
- C. Ligase
- D. Restriction endonucleases
Explanation
A restriction enzyme, restriction endonuclease, REase, ENase or restrictase enzyme that cleaves DNA into fragments at or near specific recognition sites within molecules known as restriction sites.
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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.
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