title: The number of superhelical turns in mitochondrial DNA.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002645:Chickens; D004247:DNA / Q000032:analysis*; D004279:DNA, Viral / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D008854:Microscopy, Electron; D008928:Mitochondria / Q000032:analysis*; D011120:Polyomavirus / Q000032:analysis*; D013053:Spectrophotometry; D014461:Ultracentrifugation; D014466:Ultraviolet Rays
chemical_list: D004279:DNA, Viral; D004247:DNA