The nucleolus and RNA metabolism in Urechis eggs.
D000818:Animals; D000845:Annelida; D001345:Autoradiography; D002455:Cell Division; D002466:Cell Nucleolus; D002467:Cell Nucleus / Q000378:metabolism*; D005260:Female; D066298:In Vitro Techniques; D010063:Ovum / Q000378:metabolism*; D012313:RNA / Q000096:biosynthesis*; D012098:Reproduction; D014316:Tritium
D014316:Tritium; D012313:RNA