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Which term best describes the action of a restriction enzyme?

Answer and explanation

Correct answer: Cutting

The governing concept is the catalytic role of a restriction enzyme in recombinant-DNA technology. A restriction enzyme is an endonuclease that recognizes a particular DNA sequence and hydrolyses phosphodiester bonds in the DNA backbone, thereby cutting the molecule at or near that recognition site. Consequently, option C, cutting, is correct. Synthesis means building a new molecule and is not the primary action of these enzymes. Translation is the ribosome-mediated production of a protein from messenger RNA, while evaporation is a physical change of state and has no connection with DNA cleavage. The enzyme may create blunt or sticky ends, but both outcomes result from cutting DNA.

Related tags

Dna-CuttingRestriction-EnzymesRecombinant-DnaBiotechnologyCutting Of DnaProcesses Of Recombinant Dna TechnologyClass 11 Mcq

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