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Plasmid

A small, circular, double-stranded DNA molecule that replicates autonomously inside a bacterial cell. Used as a cloning vector when equipped with a selectable antibiotic-resistance marker, an origin of replication, and a multiple cloning site.

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Related terms

Bacterial artificial chromosome (BAC)Blue-white screening (alpha-complementation)Multiple cloning site (MCS)RFLP (restriction fragment length polymorphism)Sticky end (cohesive end)Type II restriction endonuclease

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