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Circular DNA is a form of DNA that is found in bacteria and archaea.
Additional recommended knowledge
While the individual strands of a linear double helix represent two distinct and separable molecules, this need not be true for circular DNA. If the strands twist an odd number of times around one another in completing the DNA loop, then they are covalently joined into a single molecule.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Circular_DNA". A list of authors is available in Wikipedia.