Mobile genetic elements that sometimes carry pathogenicity islands are known as

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Mobile genetic elements that carry pathogenicity islands are known as plasmids. Plasmids are small, circular pieces of DNA that can replicate independently of the host chromosome and can be transferred between bacteria through horizontal gene transfer. Some plasmids carry genes that enhance the virulence of the bacteria, including pathogenicity islands.

Mobile Genetic Elements That Sometimes Carry Pathogenicity Islands Are Known