The nucleoid (meaning nucleus-like) is an irregularly-shaped region within the cell of a prokaryote that contains all or most of the genetic material, called genophore. In contrast to the nucleus of a eukaryotic cell, it is not surrounded by a nuclear membrane. The genome of prokaryotic organisms generally is a circular, double-stranded piece of D...
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http://en.wikipedia.org/wiki/Nucleoid
A dense region of DNA in a prokaryotic cell. Unlike the nucleus of a eukaryotic cell, the nucleoid is not surrounded by a membrane.
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http://www.daviddarling.info/encyclopedia/N/nucleoid.html
<cell biology> Region of cell in a bacterium that contains the DNA. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
(noo´kle-oid) resembling a nucleus. a DNA-containing region lacking a surrounding nuclear membrane, occurring in prokaryotes, mitochondria, and chloroplasts; it is analagous to the eukaryotic cell nucleus. the core of nucleic acid surrounded by the protein capsid in some viruses.
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http://www.encyclo.co.uk/local/21001
Region of cell in a bacterium that contains the DNA.
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resembling a nucleus. the region in a procaryotic cell where the dna is located. although frequently diffuse, sometimes the dna is sufficiently contracted so that a defined region can be detected.
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Type: Term Pronunciation: nū′klē-oyd Definitions: 1. A nuclear inclusion body. Synonyms: nucleiform, nucleus2
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http://www.medilexicon.com/medicaldictionary.php?t=61263
Region in prokaryotes where the DNA is concentrated. Unlike a nucleus, it is not bound by a membrane.
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http://www.ucmp.berkeley.edu/glossary/glossary_4.html
nucleoid 1. Resembling a nucleus.>BR? 2. The aggregated DNA of a bacterium, seen as a distinct region inside the cell. 3. The nuclear region of a bacterium, consisting of a dense, centrally located, irregularly shaped region containing DNA material without a surrounding nuclear membrane. 4. The genetic material (nucleic acid) of a virus, situate...
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http://www.wordinfo.info/words/index/info/view_unit/1423/
concentrated area of DNA genome and associated proteins found in a prokaryotic cell that is not surrounded by a membrane
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
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