when rna components were isolated from rats that had received [ 14c ] orotate and [ 3h ] orotate , 1 week and 16 h , respectively , before sacrifice , the 14c : 3h ratio was the highest in the minor components , followed by the nicked rna , and the intact 28 s rrna showed the lowest ratio .
C0035668
rna
C0035701
rrna