title: Pyrimidine tract analysis of mtDNA from a "low-density" petite mutant of yeast.
mesh_terms: D001345:Autoradiography; D001483:Base Sequence; D002467:Cell Nucleus / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D002855:Chromatography, Thin Layer; D003090:Coliphages / Q000032:analysis; D004247:DNA / Q000032:analysis* / Q000302:isolation & purification; D004279:DNA, Viral / Q000032:analysis; D006882:Hydroxyapatites; D008928:Mitochondria / Q000032:analysis*; D009711:Nucleotides / Q000032:analysis; D010759:Phosphorus Isotopes; D011742:Pyrimidine Nucleotides / Q000032:analysis; D012440:Saccharomyces / Q000032:analysis*; D012441:Saccharomyces cerevisiae / Q000032:analysis / Q000166:cytology
chemical_list: D004279:DNA, Viral; D006882:Hydroxyapatites; D009711:Nucleotides; D010759:Phosphorus Isotopes; D011742:Pyrimidine Nucleotides; D004247:DNA