Phages and plasmids can be used to
clone recombinant DNA.
A bacteriophage is a virus that infects and
replicates within a bacterium. The term is derived from "bacteria"
and the Greek: φαγεῖν, "to devour"
<span>A </span>plasmid<span> <span>is a small DNA molecule within a cell that is
physically separated from a chromosomal DNA and can replicate independently.
They are most commonly found in bacteria as small circular, double-stranded DNA
molecules; however, </span></span>plasmids<span> are
sometimes present in archaea and eukaryotic organisms.</span>
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