Non-Coding RNA Categories MatchVersion en ligne Match each item to its ncRNA category. par أ.د. مهند جواد كاظم الدواح 1 Housekeeping ncRNAs 2 Small Regulatory ncRNAs 3 Long Regulatory ncRNAs 4 piRNA Characteristics 5 Biogenesis & Processing 6 Therapeutic Strategies rRNA tRNA snRNA snoRNA 5S rRNA miRNA siRNA piRNA endo-siRNA exo-siRNA lncRNA circRNA Chromatin remodeling Scaffolding miRNA sponge Length 24-31 nt Primarily germline expression Binds to PIWI proteins Dicer-independent Ping-Pong cycle Dicer processing RISC loading Seed sequence (nt 2-8) Slicer mechanism (Ago2) Passenger strand unwinding siRNA drugs Antagomirs miRNA mimics Anti-miR-21 Allele-specific silencing