the majority of the polysomal poly ( a+ ) rna sequences are represented in the nuclear poly ( a+ ) rna but are present in a more restricted range of relative abundance implying posttranscriptional mechanisms of quantitative modulation : polysomal rna sequences appear to be preferentially transcribed into nuclear cdna suggesting a preferential location of these sequences close to poly ( a ) sequences .
C1514721
range
C0392762
quantitative