DNA ligase is used to
Correct answer: B. Join DNA fragments
- A. Cut DNA
- B. Join DNA fragments
- C. Copy DNA
- D. Separate DNA strands
Explanation
DNA ligase seals nicks in DNA by forming phosphodiester bonds, joining DNA fragments together.
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Biotechnology applies genetic engineering, cell culture and recombinant DNA methods to medicine and public health. The material includes production of insulin, vaccines and antibiotics, diagnostic techniques, gene therapy, genetically modified organisms and the ethical concerns surrounding manipulation of human genes.
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