Nucleolar RNA synthesis during mitotic and meiotic prophase.
D000845:Annelida; D001345:Autoradiography; D002455:Cell Division; D002466:Cell Nucleolus / Q000378:metabolism*; D005260:Female; D007313:Insecta; D009705:Nucleosides / Q000378:metabolism; D010063:Ovum / Q000378:metabolism; D010944:Plants; D012313:RNA / Q000096:biosynthesis*; D014316:Tritium
D009705:Nucleosides; D014316:Tritium; D012313:RNA