False-colour transmission electron micrograph of plasmids of bacterial DNA from the bacterium Escherichia coli (E. coli). A plasmid is a molecule of D

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False-colour transmission electron micrograph of plasmids of bacterial DNA from the bacterium Escherichia coli (E. coli). A plasmid is a molecule of DNA that can exist apart from the chromosome in a bacterium, & which can replicate on its own. This plasmid is one of the most commonly used in genetic engineering work. Foreign DNA is spliced to it & the composite or \chimeric\" plasmid is then introduced into an Escherichia coli bacterium where it propagates & expresses the genetic information carried by the transplanted DNA. Magnification: X 15,250 at 35mm size."

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Size: 2580px × 3323px
Photo credit: © DR. GOPAL MURTI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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