title: DNA structure in chromatin and in solution studied by electron microscopy and neutron and X-ray scattering.
mesh_terms: D000818:Animals; D002417:Cattle; D002843:Chromatin / Q000648:ultrastructure*; D004247:DNA; D005614:Freeze Fracturing; D008854:Microscopy, Electron; D008958:Models, Molecular; D009502:Neutrons; D009690:Nucleic Acid Conformation; D012542:Scattering, Radiation; D014867:Water; D014965:X-Rays
chemical_list: D002843:Chromatin; D014867:Water; D004247:DNA