when [ 3h ] adenosine served as the rna precursor it was found that the ratio between the heteropolymeric and polyadenylic parts of the poly ( a ) -rna chain markedly changed under gibberellin treatment , suggesting that , in addition to an increased rate of mrna synthesis , the plant hormone also affects the process of post-transcriptional polyadenylation of the newly made mrna precursors .
C0035668
rna
C0040649
transcriptional