試題詳解

17. Which of the following statements about microRNAs is false?
(A)MicroRNAs are short RNA molecules.
(B)MicroRNAs are formed by cleavage of hairpin loops in a larger precursor.
(C) MicroRNAs have internal complementary base pairs, folding into cloverleaf patterns.
(D)MicroRNAs silence the expression of specific mRNAs.
(E)MicroRNAs are found in plants and animals.