title: Sea urchin embryogenesis. I. RNA synthesis by cytoplasmic and nuclear genes during development.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm / Q000378:metabolism*; D004247:DNA / Q000302:isolation & purification; D004447:Echinodermata / Q000196:embryology*; D005796:Genes; D008854:Microscopy, Electron; D009693:Nucleic Acid Hybridization; D012313:RNA / Q000032:analysis / Q000096:biosynthesis* / Q000302:isolation & purification; D012333:RNA, Messenger / Q000032:analysis; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D012333:RNA, Messenger; D014316:Tritium; D012313:RNA; D004247:DNA; D014529:Uridine