title: Properties of nuclease-resistant fragments of calf thymus chromatin.
mesh_terms: D000818:Animals; D002417:Cattle; D002467:Cell Nucleus / Q000032:analysis; D002843:Chromatin / Q000032:analysis / Q000302:isolation & purification; D002942:Circular Dichroism; D004247:DNA / Q000032:analysis; D008836:Micrococcal Nuclease; D009690:Nucleic Acid Conformation; D012965:Sodium Chloride; D012995:Solubility; D013056:Spectrophotometry, Ultraviolet; D013057:Spectrum Analysis; D013950:Thymus Gland / Q000032:analysis*; D014508:Urea
chemical_list: D002843:Chromatin; D012965:Sodium Chloride; D014508:Urea; D004247:DNA; D008836:Micrococcal Nuclease