title: Size and configuration of Tetrahymena mitochondrial deoxyribonucleic acid.
mesh_terms: D002499:Centrifugation, Density Gradient; D002845:Chromatography; D004247:DNA / Q000032:analysis*; D008854:Microscopy, Electron; D008928:Mitochondria / Q000032:analysis*; D008970:Molecular Weight; D013768:Tetrahymena / Q000032:analysis*
chemical_list: D004247:DNA