Describe the synthesis and function of miRNA

Question

23 Jan 2025

Answer :

Word Count : 243

MicroRNAs (miRNAs) are small, non-coding RNA molecules, typically about 20-24 nucleotides long, that play a crucial role in the regulation of gene expression. The synthesis of miRNAs begins in the nucleus, where genes encoding miRNAs are transcribed into primary miRNAs (pri-miRNAs) by RNA polymerase II. The pri-miRNA is a long, stem-loop structure. It is then processed by the enzyme Drosha, _________ _____ _________ ______ __________ _______ ___ ________ ________ ________ __________.
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