I. Structure of chromatin: introductory remarks.
D000818:Animals; D002843:Chromatin / Q000032:analysis; D002875:Chromosomes / Q000032:analysis; D004247:DNA / Q000032:analysis; D006657:Histones / Q000032:analysis; D006801:Humans; D008854:Microscopy, Electron; D008954:Models, Biological; D008968:Molecular Conformation; D009690:Nucleic Acid Conformation; D014961:X-Ray Diffraction
D002843:Chromatin; D006657:Histones; D004247:DNA