試題詳解

40. mRNA stability modulates the dynamics of the mRNA population in the cell. Which of the following descriptions is (are) CORRECT?
(A) The most common mRNA decay pathways are initiated by either deadenylation or decapping.
(B) Both RNA interference (RNAi) and microRNAs (miRNAs) decrease the stability of their targeted mRNAs.
(C) Since transcripts are formed prior to translation, mutations that change the stop codon position do not affect mRNA stability.
(D) MicroRNAs are known to affect only the stability of their targeted mRNAs without impacting translation efficiency.
(E) MicroRNAs recognize their target mRNAs by fully base-pairing to their target sequences.