Zoology - Biotechnology - Principles and Processes Question with Solution | TestHub

A plasmid is a small DNA molecule within a cell that is physically separated from a chromosomal DNA and can replicate independently. Plasmids often carry genes that may benefit the  survival of the organism, for example antibiotic resistance. Plasmids are considered replicons, a unit of DNA capable of replicating autonomously within a suitable host. Plasmids can be transmitted from one bacterium to another (even of another species).