試題詳解

2. What description about micro RNAs (miRNAs) is incorrect?
(A) Most miRNAs are transcribed by RNA Pol II.
(B) One type of miRNAs can target to many mRNAs.
(C) The mature miRNAs are about 21-22 nucleotide, which hybridize perfectly with their target mRNAs.
(D)They associate with Ago protein to form RISC (RNA-induced silencing complex) complex.
(E) They can induce mRNA degradation or inhibit mRNA translation.