title: Nucleolar localization of 'template-bound' RNA polymerase I in nuclei of Xenopus laevis blastulae.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001755:Blastocyst / Q000201:enzymology*; D002466:Cell Nucleolus / Q000201:enzymology*; D002467:Cell Nucleus / Q000201:enzymology; D002474:Cell-Free System; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D012318:RNA Polymerase I / Q000378:metabolism*; D012335:RNA, Ribosomal / Q000096:biosynthesis*; D014982:Xenopus laevis / Q000196:embryology*
chemical_list: D012335:RNA, Ribosomal; D012321:DNA-Directed RNA Polymerases; D012318:RNA Polymerase I