2 cells and in ca755 cells , both 14c-labeled nucleosides were metabolized to nucleotides of 8-azaadenine ( 8-aza-a ) and 8-azaguanine ( 8-aza-g ) and incorporated into polynucleotides as 8-aza-a and 8-aza-g .
C0028630
nucleotides
C0032550
polynucleotides