title: Nuclear ribonucleoprotein particles of higher plants.
mesh_terms: D002458:Cell Fractionation; D002467:Cell Nucleus / Q000378:metabolism / Q000648:ultrastructure*; D002499:Centrifugation, Density Gradient; D009698:Nucleoproteins / Q000096:biosynthesis; D010944:Plants / Q000378:metabolism / Q000648:ultrastructure*; D012333:RNA, Messenger / Q000096:biosynthesis; D014529:Uridine / Q000378:metabolism
chemical_list: D009698:Nucleoproteins; D012333:RNA, Messenger; D014529:Uridine