title: Selective autolysis of nuclei as a source of DNA precursors in Paramecium aurelia exconjugants.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002467:Cell Nucleus; D003470:Culture Media; D004247:DNA / Q000096:biosynthesis*; D010247:Paramecium / Q000166:cytology / Q000254:growth & development / Q000378:metabolism / Q000502:physiology*; D013217:Starvation; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D003470:Culture Media; D014316:Tritium; D004247:DNA; D013936:Thymidine