title: Size heterogeneity of monoparticles from nuclear ribonucleoproteins containing premessenger RNA.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D002467:Cell Nucleus / Q000378:metabolism*; D002499:Centrifugation, Density Gradient; D008854:Microscopy, Electron; D008970:Molecular Weight; D009419:Nerve Tissue Proteins / Q000378:metabolism; D009694:Nucleic Acid Precursors / Q000378:metabolism*; D009698:Nucleoproteins / Q000378:metabolism*; D012333:RNA, Messenger / Q000378:metabolism*; D051381:Rats; D012261:Ribonucleoproteins / Q000378:metabolism*
chemical_list: D009419:Nerve Tissue Proteins; D009694:Nucleic Acid Precursors; D009698:Nucleoproteins; D012333:RNA, Messenger; D012261:Ribonucleoproteins