A complex of histone and deoxyribonucleic acid, the form in which the latter is usually found in the nuclei of cells; n. may be viewed as a salt between the basic protein and the acidic nucleic acid.
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nu·cleo·his·tone -'his-.tōn n a nucleoprotein in which the protein is a histone
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nu·cleo·his·tone (noo″kle-o-hisґtōn) a complex nucleoprotein composed of deoxyribonucleic acid (DNA) and histone.Medical dictionary. 2011.