title: Isolation from Xenopus laevis embryonic cells of a factor which stimulates tibosomal RNA synthesis by isolated nuclei.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D004625:Embryo, Nonmammalian / Q000502:physiology; D005260:Female; D009865:Oocytes / Q000378:metabolism*; D010063:Ovum / Q000378:metabolism*; D012335:RNA, Ribosomal / Q000096:biosynthesis*; D014020:Tissue Extracts / Q000302:isolation & purification / Q000494:pharmacology; D014158:Transcription, Genetic / Q000187:drug effects; D014981:Xenopus
chemical_list: D012335:RNA, Ribosomal; D014020:Tissue Extracts