Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes. Often, the genes carried in plasmids provide bacteria with genetic advantages, such as antibiotic resistance. ... Bacteria can also transfer plasmids to one another through a process called conjugation.

Are there bacteria without plasmids?

Yes, Bacterial cell can survive without a Plasmid DNA. Plasmids are a small, circular, double-stranded DNA molecule present within a Bacterial cell and are separated from chromosomal DNA, which has a capability to replicate independently.

Where are plasmids found?

​Plasmid. A plasmid is a small, often circular DNA molecule found in bacteria and other cells. Plasmids are separate from the bacterial chromosome and replicate independently of it.