title: Supercoiled loops and eucaryotic DNA replicaton.
mesh_terms: D000818:Animals; D002460:Cell Line; D002467:Cell Nucleus / Q000378:metabolism*; D004261:DNA Replication; D004278:DNA, Superhelical / Q000096:biosynthesis*; D003851:Deoxyribonucleases / Q000494:pharmacology; D004996:Ethidium / Q000494:pharmacology; D051379:Mice
chemical_list: D004278:DNA, Superhelical; D003851:Deoxyribonucleases; D004996:Ethidium