title: Size heterogeneity of the large ribosomal subunits and conservation of the small subunits in eucaryote evolution.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D002645:Chickens; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis*; D066298:In Vitro Techniques; D008099:Liver / Q000032:analysis*; D051379:Mice; D008810:Mice, Inbred C57BL; D008970:Molecular Weight; D010442:Peptide Chain Initiation, Translational; D010649:Phenylalanine / Q000096:biosynthesis; D010944:Plants / Q000032:analysis*; D011072:Poly U / Q000378:metabolism; D012335:RNA, Ribosomal / Q000032:analysis; D012343:RNA, Transfer / Q000096:biosynthesis; D051381:Rats; D012270:Ribosomes / Q000032:analysis* / Q000378:metabolism; D012377:Rodentia; D012617:Sea Urchins / Q000032:analysis*
chemical_list: D012335:RNA, Ribosomal; D011072:Poly U; D010649:Phenylalanine; D012343:RNA, Transfer