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[mass noun] The material of which the chromosomes of organisms other than bacteria (i.e. eukaryotes) are composed, consisting of protein, RNA, and DNA.
- ‘The structure of chromatin is intimately linked to the function of the eukaryotic genome.’
- ‘The de novo assembly of silent chromatin requires passage through the S phase of the cell cycle.’
- ‘The eukaryotic chromatin must be highly organized to fit into the small volume of the nucleus.’
- ‘Under normal conditions equal amounts of the four core histones are incorporated into chromatin.’
- ‘Indeed the Polycomb protein has been detected in inactive chromatin isolated from the bithorax complex.’
Late 19th century: coined in German from Greek khrōma, khrōmat- colour.
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