title: Characterization of zonal fractions of calf thymus DNA.
mesh_terms: D000818:Animals; D002417:Cattle; D002467:Cell Nucleus / Q000032:analysis; D002501:Centrifugation, Zonal; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002845:Chromatography; D002848:Chromatography, DEAE-Cellulose; D003013:Clostridium; D004247:DNA / Q000302:isolation & purification*; D006882:Hydroxyapatites; D007553:Isotope Labeling; D008433:Mathematics; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D009693:Nucleic Acid Hybridization; D013053:Spectrophotometry; D013950:Thymus Gland / Q000032:analysis* / Q000166:cytology; D014316:Tritium; D014466:Ultraviolet Rays; D014783:Viscosity
chemical_list: D006882:Hydroxyapatites; D014316:Tritium; D004247:DNA