title: Intramolecular heterogeneity of mitochondrial and chloroplastic DNA.
mesh_terms: D002499:Centrifugation, Density Gradient; D002708:Chlorella / Q000032:analysis / Q000166:cytology; D002736:Chloroplasts / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D008928:Mitochondria / Q000032:analysis*; D059828:Plant Cells; D012834:Silver; D015003:Yeasts / Q000032:analysis / Q000166:cytology
chemical_list: D012834:Silver; D004247:DNA