試題詳解

複選題
37. Which of the following description about RNAs is (are) CORRE CT?
(A)Non-coding RNAs constitute the majority of the transcripts and are mostly non-functional, representing merely as evolutionary remnants in gene expression.
(B) Messenger RNAs (mRNAs) are mainly synthesized by RNA polymerase II in eukaryotic cells.
(C) microRNAs mainly function in the transcriptional or post-transcriptional regulation of gene expression by a sequence mis-match mechanism
(D) RNA cannot serve as carriers of genetic information. Only DNA does.
(E) RNA can act as an enzyme.