the physical properties of rat liver chromatin and nucleosomes acetylated with acetic anhydride were examined in order to clarify the mechanism by which chemical acetylation of histones increases template activity in vitro [ marushige , k. ( 1976 ) proc . natl . acad . sci . usa 73 , 3937-3941 ] .
C0008546
chromatin
C0028623
nucleosomes