Effect of polyamines on ribosomal RNA synthesis during sea urchin development.
D000588:Amines / Q000494:pharmacology*; D000818:Animals; D002499:Centrifugation, Density Gradient; D004447:Echinodermata / Q000187:drug effects*; D004625:Embryo, Nonmammalian / Q000187:drug effects*; D005314:Embryonic and Fetal Development; D010759:Phosphorus Isotopes; D012313:RNA / Q000032:analysis / Q000096:biosynthesis*; D014316:Tritium; D014529:Uridine / Q000378:metabolism
D000588:Amines; D010759:Phosphorus Isotopes; D014316:Tritium; D012313:RNA; D014529:Uridine