Both siRNAs and miRNAs are generated from longer RNA molecules by the enzyme Dicer, an RNase III–like enzyme that recognizes and digests longer dsRNAs or the stem-loop structures formed by miRNA precursors. The siRNA and miRNA products are typically 21–23 nucleotides long
#Unit 3. Fundamental Processes#mRNA stability, transport, CRISPR, miRNA & siRNA#Part B Pointers