title: The time of DNA replication in the cell cycle in relation to RNA synthesis in frog embryos.
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D002247:Carbon Isotopes; D002875:Chromosomes / Q000378:metabolism; D046508:Culture Techniques; D004261:DNA Replication; D005467:Floxuridine / Q000494:pharmacology; D005855:Germ Layers / Q000032:analysis / Q000187:drug effects / Q000378:metabolism*; D006868:Hydrolysis; D008938:Mitosis; D009705:Nucleosides / Q000378:metabolism; D012313:RNA / Q000032:analysis / Q000096:biosynthesis*; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D009705:Nucleosides; D005467:Floxuridine; D014316:Tritium; D012313:RNA; D013936:Thymidine; D014529:Uridine