title: Partial characterization of 'cytoplasmic' DNA in seedlings of Pisum sativum.
mesh_terms: D002458:Cell Fractionation; D002467:Cell Nucleus / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D003593:Cytoplasm / Q000032:analysis*; D004247:DNA / Q000302:isolation & purification*; D004591:Electrophoresis, Polyacrylamide Gel; D008722:Methods; D008970:Molecular Weight; D010944:Plants / Q000032:analysis*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014675:Vegetables / Q000032:analysis
chemical_list: D014316:Tritium; D004247:DNA; D013936:Thymidine