Question

What are R-plasmids?

Answer 1

R-plasmids

1. A plasmid is a discrete piece of extrachromosomal DNA that is physically distinct from chromosomal DNA and has its own replication machinery.
2. Plasmids are occasionally detected in archaea and eukaryotic organisms, although they are most frequently discovered as tiny, circular, double-stranded DNA molecules in bacteria.
3. The resistance factor and resistance plasmids are other names for R-Factor.
4. They are a collection of conjugative plasmids that increase the resistance of the bacterial host to a variety of metal ions and specific antibiotics, such as sulphonamide, streptomycin, tetracycline, arsenic, cadmium, mercury, etc.