title: The influence of the cytoplasm on the nucleus during cell differentiation, with special reference to RNA synthesis during amphibian cleavage.
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D002454:Cell Differentiation; D002455:Cell Division; D002467:Cell Nucleus; D003593:Cytoplasm / Q000378:metabolism*; D004247:DNA / Q000096:biosynthesis; D004625:Embryo, Nonmammalian; D008722:Methods; D009705:Nucleosides; D012313:RNA / Q000096:biosynthesis*; D013997:Time Factors; D014316:Tritium
chemical_list: D009705:Nucleosides; D014316:Tritium; D012313:RNA; D004247:DNA