61. Noncoding RNAs play multiple roles in regulating gene expression. Which of the following statements
about noncoding RNA is correct? a) noncoding RNAs include microRNAs, piwi-interacting RNAs,
mRNAs, and long noncoding RNAs, b) noncoding RNAs can be translated into polypeptides, c) long
noncoding transcript of XIST is essential for condensation of heterochromatin, d) microRNA-protein
complexes recognize target mRNA and block its translation, e) piwi-interacting RNAs play an
indispensable role in germ cells of animal species.
(A) abc
(B) bcd
(C) bcde
(D) acde
(E) cde
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統計: A(0), B(1), C(4), D(9), E(30) #3094175
統計: A(0), B(1), C(4), D(9), E(30) #3094175