A.抑制轉(zhuǎn)錄 B.降解DNA C.降解mRNA D.封閉DNA E.封閉mRNA
A.snRNA B.7SL RNA C.snRNP D.SRP受體 E.ribozyme
A.5S rRNA B.5.8S rRNA C.16S rRNA D.18S rRNA E.28S rRNA