問題詳情

17. 'Which of the following statements on eukaryotic m.RNA is NOT true?
(A) mRNA is usually capped at the 5' terminus.
(B) mRNA always contains a poly-A tail.
(C) Translation usually starts from the firstAUG codon from the 5' terminus.
(D) mRNA often contains an AAUAAA sequence in the 3' region as a polyadenylation signal.
(E) mRNA does not contain a Shine-Dalgarno sequence for translation initiation.

參考答案

答案:B
難度:困難0.222222
統計:A(0),B(2),C(2),D(1),E(1)

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