In the nucleus, DNA forms a complex with proteins. This complex is called chromatin and is formed when the DNA wraps around nuclear proteins and then wraps around itself multiple times to condense the DNA into a smaller volume.
1. the history of Western civilization. the ancient civilizations of Mesopotamia and Egypt. Synonyms and related words. Culture, society and civilization: advanced, civilisation, civilise...
Word Origin & History. habitat 1762, as a technical term in Latin texts on Eng. flora and fauna, lit. it inhabits, third pers. sing. pres. indic. of habitare to live, dwell, freq. of habere to have, to hold, possess (see habit). General sense of dwelling place is first attested 1854.