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[[File:LoopOfDNA.png|right|300px|thumb|A [[diagram]] showing the '''loop of DNA''' in an [[E.coli]] [[bacteria|bacterium]].]]
A '''loop of DNA''' is a strand of DNA found inside floating freely in the [[cytoplasm]] of a [[prokaryotic Cell|prokaryotic cell]] which has no [[Cell Nucleus|nucleus]].
===Function===
: [[Prokaryotic Cell|Prokaryotes]] have no [[Cell Nucleus|nucleus]] and the '''loop of DNA''' floats freely in the [[cytoplasm]].
: The '''loop of DNA''' provides instructions to the [[Cell (Biology)|cell]] indicating which [[protein]]s to [[Protein Synthesis|synthesise]].