title: Size and base composition of RNA segments in complementary strands of supercoiled plasmid ColE1 DNA.
mesh_terms: D003086:Bacteriocin Plasmids; D001482:Base Composition; D002701:Chloramphenicol / Q000494:pharmacology; D004260:DNA Repair; D004278:DNA, Superhelical / Q000235:genetics* / Q000378:metabolism; D003854:Deoxyribonucleotides / Q000378:metabolism; D004590:Electrophoresis, Paper; D009691:Nucleic Acid Denaturation; D010957:Plasmids; D012313:RNA / Q000032:analysis*
chemical_list: D004278:DNA, Superhelical; D003854:Deoxyribonucleotides; D012313:RNA; D002701:Chloramphenicol