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.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Biotechnology
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.
Practise Biotechnology
731 free Biotechnology MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Biotechnology questions
For preparation of recombinant DNA, the plasmid is cut with the same enzyme which was used for:
What was discovered by investigators studying the sex-life of the intestinal bacterium Escherichia coli?
Besides plasmids, the other molecular carrier or vector is:
Plasmids were discovered by the investigators studying the sex-life of the _ bacterium Escherichia coli.
Complementary DNA is synthesized by?
Bacteria produce a variety of restriction enzymes, which cut the DNA at specific sites, characterized by specific sequence of DNA arranged?