Autoradiographic studies of the synthesis of nuclear DNA in various tissues during leaf development of Xanthium pennsylvanicum.
D001345:Autoradiography; D002467:Cell Nucleus / Q000378:metabolism; D004247:DNA / Q000096:biosynthesis*; D010944:Plants / Q000196:embryology*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium / Q000032:analysis
D014316:Tritium; D004247:DNA; D013936:Thymidine