Which of the following statements is most true regarding long noncoding RNAs (lncRNAs)?
A) Some lncRNAs regulate alternative splicing.
B) lncRNAs act only as posttranscriptional regulators and never as pretranscription regulators.
C) lncRNAs are characteristically about the same size as sncRNAs.
D) lncRNAs do not contain a 5' guanine cap or a 3' poly-A-tail.
E) Some lncRNAs will decrease the activity of miRNAs.
Answer: E
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