title: The relationship between species of RNA synthesized and levels of different DNA- dependent RNA polymerases in isolated nuclei of Rana pipiens embryos.
mesh_terms: D000255:Adenosine Triphosphate; D000818:Animals; D001001:Anura; D001487:Basidiomycota; D002417:Cattle; D002467:Cell Nucleus / Q000187:drug effects / Q000201:enzymology*; D004247:DNA; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004622:Embryo, Mammalian / Q000378:metabolism; D004625:Embryo, Nonmammalian; D005314:Embryonic and Fetal Development; D008099:Liver; D008274:Magnesium / Q000494:pharmacology; D008345:Manganese / Q000494:pharmacology; D009183:Mycotoxins / Q000494:pharmacology; D009842:Oligopeptides / Q000494:pharmacology; D009928:Organ Specificity; D009994:Osmolar Concentration; D010456:Peptides, Cyclic / Q000494:pharmacology; D012313:RNA / Q000096:biosynthesis*; D012335:RNA, Ribosomal / Q000096:biosynthesis; D011894:Rana pipiens; D012265:Ribonucleotides / Q000032:analysis; D013698:Templates, Genetic; D013950:Thymus Gland; D014316:Tritium
chemical_list: D009183:Mycotoxins; D009842:Oligopeptides; D010456:Peptides, Cyclic; D012335:RNA, Ribosomal; D012265:Ribonucleotides; D014316:Tritium; D008345:Manganese; D012313:RNA; D000255:Adenosine Triphosphate; D004247:DNA; D012321:DNA-Directed RNA Polymerases; D008274:Magnesium