Fig. 1.12 Bacterial chromosome
Plasmids are self-replicating extra chromosomal DNA molecules. It multiplies independent of the host cell. Multiple copies of the same plasmid may be present in each bacterial cell. Different plasmids are also often present in the same bacterial cell.
Plasmid types There are many types of plasmid types. examples. a. R factors: Plasmids which contain genes that code for antibiotic The following are