u3 rna , a capped small nuclear rna found thus far only in the nucleolus , has been implicated in the processing and/or transport of preribosomal rna [ busch , h. , reddy , r. , rothblum , l. , & choi , y. c. ( 1982 ) annu . rev . biochem . 51 , 617-654 ] .
C0035668
rna
C0598720
transport