Plasmid

usgb/ˈplæzmɪd/
noun

A plasmid is a small, circular DNA molecule that is separate from chromosomal DNA and can replicate independently within a cell.

Scientists used a plasmid to insert a new gene into the organism.
Visual representation of "plasmid" - A plasmid is a small, circular DNA molecule that is separate from chromosomal DNA and can replicate independently within a cell.

Often appears as...

  • circular plasmid
  • bacterial plasmid

Usage tips

Neutral

genetic engineering, gene cloning, recombinant DNA

Definition 1 of 1
Visual representation of "plasmid"
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Contextual Use

Understand when writing about genetics to use 'plasmid' as it applies to molecular biology.

Illustration for Contextual Use
In research articles, be precise when discussing plasmids to denote their role in genetic manipulation.
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Formal Context

Use 'plasmid' in scientific discussions and papers to maintain professionalism.

Illustration for Formal Context
In informal settings, you may need to explain its function to non-scientific audiences.
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Clarifying Structure

When talking about plasmids, clarify that they can carry additional genes outside the primary chromosomal DNA.

Illustration for Clarifying Structure
Mention their role in antibiotic resistance or biotechnology applications to provide context.
Visual representation of the word "Plasmid"

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