試題詳解

61. Which of the following is NOT a characteristic of microRNAs?
(A) MicroRNAs are found in eukaryotes including animals and plants.
(B) MicroRNAs regulate gene expression by degradation of specific mRNAs.
(C) MicroRNAs regulate gene expression by translational inhibition of specific mRNAs.
(D) MicroRNAs usually act as negative regulator of gene expression.
(E) MicroRNAs can function when they are short double-stranded RNA.