《英文msh詞典》RNA,Heterogeneous Nuclear
[主題詞] RNA,Heterogeneous Nuclear
[同義詞] Heterogeneous Nuclear RNA
[入口詞] Nuclear RNA,Heterogeneous
[中文釋義] RNA,核不均一
[英文釋義] Nuclear nonribosomal RNA larger than about 1000 nucleotides,the mass of which is rapidly synthesized and degraded within the cell nucleus. Some heterogeneous nuclear RNA may be a precursor to mRNA. However,the great bulk of total hnRNA hybridizes with nuclear DNA rather than with mRNA.