Plasmid - Wikipedia
Artificial plasmids are widely used as vectors in molecular cloning, serving to drive the replication of recombinant DNA sequences within host organisms. In the laboratory, plasmids may be introduced …
Plasmid - National Human Genome Research Institute
2 days ago · Scientists use recombinant DNA methods to splice genes that they want to study into a plasmid. When the plasmid copies itself, it also makes copies of the inserted gene. A plasmid is a …
Plasmid | DNA replication, genetic engineering, cloning | Britannica
Oct 14, 2025 · Plasmids are circular deoxyribonucleic acid (DNA) molecules that replicate independently of the bacterial chromosome. They are not essential for the bacterium but may confer a selective …
Plasmids- Definition, Properties, Structure, Types, Functions, Examples
Mar 13, 2022 · Plasmids are small circular DNA fragments, double-stranded, self-replicating extra chromosomal structures found in many microorganisms. The term Plasmid was coined by Joshua …
What Do Plasmids Do and What Are Their Functions?
Jul 29, 2025 · Plasmids are small, circular pieces of double-stranded deoxyribonucleic acid (DNA) that exist separately from the main chromosomal DNA in a cell. While most commonly found in bacteria, …
What is a Plasmid? | Ask A Biologist
Apr 12, 2010 · Plasmids are autonomous molecules and exist in cells as extrachromosomal genomes, although some plasmids can be inserted into a bacterial chromosome, where they become a …
What Is a Plasmid in Biology and How Does It Work?
Oct 4, 2025 · Plasmids are small, circular DNA molecules found within the cells of many microorganisms, separate from the cell’s main chromosomal DNA. They can replicate independently, …
PLASMIDS - Microbiology Class
Feb 17, 2025 · Plasmids are extrachromosomal DNA molecules found in both eukaryotic and prokaryotic microorganisms that have the ability to replicate independently. In prokaryotes, plasmids are found in …
Plasmids: Structure, Types, Replication, and Applications
Oct 12, 2025 · Plasmids in Microbiology: Learn about the structure, types, replication mechanisms, and biotechnological applications of plasmids. Understand how plasmids drive antibiotic resistance, gene …
plasmid / plasmids | Learn Science at Scitable - Nature
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.