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...
A *civilization is a form of human culture in which some people live in cities, have complex social institutions, use some form of writing, and are skilled at using science and technology. IMPORTANT IDEAS. The *first civilizations arose in fertile river valleys, where favorable geographic conditions allowed farmers to grow a surplus of food.