title: Determination of the molecular weights of RNAs by low-speed sedimentation equilibrium: 16 S ribosomal RNA as a model compound.
mesh_terms: D004926:Escherichia coli / Q000032:analysis; D008433:Mathematics; D008970:Molecular Weight; D011061:Poly A; D011063:Poly A-U; D011072:Poly U; D012329:RNA, Bacterial / Q000302:isolation & purification; D012335:RNA, Ribosomal / Q000302:isolation & purification; D014461:Ultracentrifugation / Q000379:methods
chemical_list: D012329:RNA, Bacterial; D012335:RNA, Ribosomal; D011063:Poly A-U; D011061:Poly A; D011072:Poly U