title: Evidence that all messenger RNA molecules (except histone messenger RNA) contain Poly (A) sequences and that the Poly(A) has a nuclear function.
mesh_terms: D000249:Adenosine Monophosphate / Q000032:analysis*; D001483:Base Sequence; D002467:Cell Nucleus / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D002846:Chromatography, Affinity; D004247:DNA / Q000378:metabolism; D003839:Deoxyadenosines / Q000494:pharmacology; D003864:Depression, Chemical; D004591:Electrophoresis, Polyacrylamide Gel; D006367:HeLa Cells / Q000378:metabolism; D006657:Histones / Q000032:analysis*; D006801:Humans; D011132:Polyribosomes / Q000378:metabolism; D012313:RNA / Q000378:metabolism; D012333:RNA, Messenger / Q000032:analysis* / Q000096:biosynthesis; D014316:Tritium
chemical_list: D003839:Deoxyadenosines; D006657:Histones; D012333:RNA, Messenger; D014316:Tritium; D000249:Adenosine Monophosphate; D012313:RNA; D004247:DNA