In prokaryotic cells, extrachromosomal DNA exists in the form of plasmids, small circular DNA molecules carrying nonessential genes like antibiotic resistance genes.
Extrachromosomal DNA in prokaryotic cells can be found in the form of plasmids. Plasmids are small, circular, double-stranded DNA molecules that carry nonessential genes, such as antibiotic resistance genes, and can be transferred through horizontal gene transfer within bacterial communities.
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