Histone is consist of what nuclic acid
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deoxyribonucleic acid
Histone, any of a group of simple alkaline proteins usually occurring in cell nuclei, combined ionically with DNA (deoxyribonucleic acid) to form nucleoproteins (q.v.). A unit in which a molecule of a histone is bound to a segment of the DNA chain of genetic material is termed a nucleosome.
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Certain proteins compact chromosomal DNA into the microscopic space of the eukaryotic nucleus. These proteins are called histones, and the resulting DNA-protein complex is called chromatin.
Histones are basic proteins, and their positive charges allow them to associate with DNA, which is negatively charged.
Histones are composed of mostly positively charged amino acid residues such as lysine and arginine. The positive charges allow them to closely associate with the negatively charged DNA through electrostatic interactions.
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