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prokaryote

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
prokaryote /pro·kary·ote/ (-kar´e-ot) a unicellular organism lacking a true nucleus and nuclear membrane, having genetic material composed of a single loop of naked double-stranded DNA. Prokaryotes, with the exception of mycoplasmas, have a rigid cell wall.prokaryot´ic
pro·kar·y·ote or pro·car·y·ote (pr-kr-t)
n.
An organism of the kingdom Prokaryotae, constituting the bacteria and cyanobacteria, characterized by the absence of a nuclear membrane and by DNA that is not organized into chromosomes.
pro·kary·otic (-tk) adj.
prokaryote
a unicellular organism lacking a true nucleus and nuclear membrane, having genetic material composed of a single molecule of double-stranded DNA. Prokaryotes with the exception of mycoplasmas have a rigid cell wall. Includes the blue-green algae and bacteria—the Cyanophyceae.
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