21. Which kinds of RNA processing described below is through methylation and cleavage?
(A)rRNA
(B)tRNA
(C) siRNA
(D) mRNA
(E) IncRNA
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統計: A(3), B(0), C(0), D(1), E(0) #3207432
統計: A(3), B(0), C(0), D(1), E(0) #3207432