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Plasmid - Wikipedia
A plasmid is a small, extrachromosomal DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate independently.
Plasmid - Definition, Types and Functions - Biology Dictionary
Nov 15, 2016 · A plasmid is a small, circular piece of DNA that is different than the chromosomal DNA, which is all the genetic material found in an organism’s chromosomes. It replicates …
Plasmid - National Human Genome Research Institute
6 days ago · A plasmid is a small circular DNA molecule found in bacteria and some other microscopic organisms. Plasmids are physically separate from chromosomal DNA and …
What is Plasmid DNA? Definition & Structure Explained - QIAGEN
A plasmid is a closed circular molecule of double-stranded DNA that range in size from 1 to >200 kb. Plasmids are found in various bacterial species, where they behave as additional genetic …
Plasmids – Definition, Structure, Functions, Examples
Apr 6, 2024 · Plasmids are small, extrachromosomal DNA structures found primarily within bacterial cells, distinct from the primary chromosomal DNA. Unlike the chromosomal DNA that …
Plasmids 101: What is a plasmid? - Addgene
Jan 14, 2014 · What is a plasmid? At their most basic level, plasmids are small circular pieces of DNA that replicate independently from the host's chromosomal DNA. They are mainly found in …
Plasmid | DNA replication, genetic engineering, cloning | Britannica
Jan 27, 2025 · Plasmid, in microbiology, an extrachromosomal genetic element that occurs in many bacterial strains. Plasmids are circular deoxyribonucleic acid (DNA) molecules that …
plasmid / plasmids | Learn Science at Scitable - Nature
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 …
Plasmids: Structure, Replication, and Biotech Applications
Jan 11, 2025 · Explore the essential role of plasmids in biotechnology, focusing on their structure, replication, and applications in genetic engineering. Plasmids are small, circular DNA …
What is a plasmid and what do plasmids do? - Integrated DNA …
Dec 4, 2023 · A plasmid is a small circular piece of double stranded DNA that can replicate independently from a host’s chromosomal DNA. A plasmid is distinct from a cell’s …