title: RNA synthesis in anucleate egg fragments and normal embryos of the sea urchin, Arbacia punctulata.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm / Q000378:metabolism; D004447:Echinodermata; D004586:Electrophoresis; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D005260:Female; D007700:Kinetics; D008970:Molecular Weight; D010063:Ovum / Q000378:metabolism*; D010312:Parthenogenesis; D012313:RNA / Q000096:biosynthesis*; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D012313:RNA; D014529:Uridine