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Which option correctly separates vector and restriction enzyme roles?

Answer and explanation

Correct answer: Vector carries DNA and restriction enzyme cuts DNA

The governing concept is division of roles in recombinant DNA technology. A cloning vector is a DNA molecule, commonly a plasmid, that carries a desired foreign DNA fragment into a host cell. It may also contain an origin of replication and a selectable marker, which help the inserted DNA persist and identify transformed cells. A restriction enzyme is a sequence-specific nuclease: it recognizes a particular nucleotide sequence and cuts DNA at or near that site. Cutting both vector and insert can produce compatible ends for joining. Therefore option A is correct. The other options assign unrelated metabolic functions or incorrectly describe both molecules as hosts or pigments.

Related tags

Cloning VectorRestriction EnzymeGenetic EngineeringCloning VectorsPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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