title: Comparison of chromosomal structures isolated under different conditions.
mesh_terms: D000818:Animals; D002458:Cell Fractionation / Q000379:methods; D002478:Cells, Cultured; D002614:Chelating Agents / Q000494:pharmacology; D002645:Chickens; D002875:Chromosomes / Q000187:drug effects / Q000648:ultrastructure*; D004247:DNA / Q000302:isolation & purification; D005796:Genes; D006863:Hydrogen-Ion Concentration; D009707:Nucleosomes / Q000648:ultrastructure; D010047:Ovalbumin / Q000235:genetics; D013095:Spermidine / Q000494:pharmacology; D013096:Spermine / Q000494:pharmacology
chemical_list: D002614:Chelating Agents; D009707:Nucleosomes; D013096:Spermine; D010047:Ovalbumin; D004247:DNA; D013095:Spermidine