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nucleoid |
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nucleoid [′nü·klē‚ȯid] (cell and molecular biology) A discrete region within mitochondria, chloroplasts, and prokaryotes that contain molecules of deoxyribonucleic acid. (virology) The ribonucleic acid (RNA) core that is enveloped by a protein capsid in RNA tumor viruses. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Any of several discrete DNA sequences that repeat at various sites on a bacterial chromosome, on certain plasmids, and on bacteriophages and that can move from one site to another on the chromosome, to another plasmid in the same bacterium, or to a bacteriophage. To test whether these 300 or so genes alone can sustain life, Venter and his colleagues have contemplated making an artificial bacterial chromosome containing only those genes. nbsp;bases in length; this project could allow us to produce the largest mammalian genes and even bacterial chromosomes as a standard part of our service. |
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