title: Transcription and degradation of heavy (pre 28S)RNA and 4S RNA during embryogenesis in Limnaea.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002455:Cell Division; D004586:Electrophoresis; D005260:Female; D008195:Lymnaea; D008938:Mitosis; D010063:Ovum / Q000254:growth & development*; D010759:Phosphorus Isotopes; D012313:RNA / Q000096:biosynthesis* / Q000302:isolation & purification / Q000378:metabolism; D014158:Transcription, Genetic; D014461:Ultracentrifugation
chemical_list: D002247:Carbon Isotopes; D010759:Phosphorus Isotopes; D012313:RNA