Occurrence of an inhibitory factor of ribosomal RNA synthesis in embryonic cells of Xenopus laevis.
D000818:Animals; D001001:Anura / Q000196:embryology*; D002455:Cell Division; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis; D014176:Protein Biosynthesis; D012343:RNA, Transfer / Q000096:biosynthesis*; D012270:Ribosomes / Q000378:metabolism; D014020:Tissue Extracts / Q000494:pharmacology*; D014316:Tritium; D014529:Uridine / Q000494:pharmacology
D014020:Tissue Extracts; D014316:Tritium; D004247:DNA; D012343:RNA, Transfer; D014529:Uridine