NEET BIOLOGY

Detailed explanation-1: -Plasmids are extra-chromosomal small circular DNAs that are capable of replicating independently of the host, and are present throughout a variety of different microorganisms, most notably bacteria.

Detailed explanation-2: -Definition. A plasmid is a small circular DNA molecule found in bacteria and some other microscopic organisms. Plasmids are physically separate from chromosomal DNA and replicate independently.

Detailed explanation-3: -Plasmids: Plasmids are small circular double-stranded autonomously replicating extrachromosomal deoxyribonucleic acid (DNA). Plasmids are self-replicating genetic material found in the cytoplasm and are not a part of the cell’s genome (chromosomal DNA).

Detailed explanation-4: -Bacterial DNA – a circular chromosome plus plasmids This sits in the cytoplasm of the bacterial cell. In addition to the chromosome, bacteria often contain plasmids – small circular DNA molecules. Bacteria can pick up new plasmids from other bacterial cells (during conjugation) or from the environment.

Detailed explanation-5: -A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell’s chromosomal DNA. 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.