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  1. Plasmid - Wikipedia

    Plasmid Diagram of a bacterium showing chromosomal DNA and plasmids (Not to scale) A plasmid is a small, extrachromosomal DNA molecule within a cell that is physically separated …

  2. Plasmid | DNA replication, genetic engineering, cloning ...

    Dec 23, 2025 · plasmid, in microbiology, an extrachromosomal genetic element that occurs in many bacterial strains. Plasmids are circular deoxyribonucleic acid (DNA) molecules that …

  3. What Is a Plasmid in Biology and How Does It Work?

    Oct 4, 2025 · Once a gene is incorporated, the recombinant plasmid can be introduced into host cells, typically bacteria, for replication. This process allows for the production of numerous …

  4. Plasmid - National Human Genome Research Institute

    3 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 …

  5. What Is a Plasmid in Biology? Its Function and Uses

    Aug 23, 2025 · A plasmid is a small, circular, extra-chromosomal DNA molecule found within the cells of many microorganisms. Unlike the main chromosomal DNA, which carries the …

  6. Plasmidsaurus – Sequence Everything

    Sequence everything. “Good enough” is not good enough when it comes to your science. Invest in the best results upfront and cut out downstream waste. In an independent challenge study …

  7. 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 …