With Respect to MicroRNAs, Which, If Any, of the Following

Multiple Choice

With respect to microRNAs, which, if any, of the following statements, is false?

A) A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually an mRNA.
B) Like the great majority of mRNAs an miRNA is usually produced as a larger precursor RNA that is capped and has a 3' poly(A) tail.
C) The precursor miRNA undergoes different types of post-transcriptional cleavage by endoribonucleases that are specific for double-stranded target sequences.
D) A nuclear endoribonuclease called dicer cleaves the miRNA precursor so that it forms a stem-loop RNA.