問題詳情
22. The poly( A ) tail of an mRNA________.
(A) is where the start codon is located
(B) is where ribosomes attach at the start of translation
(C) covers the stop codon until it is needed
(D) is where translation terminates
(E) protects the mRNA from attack by RNA-digesting enzymes
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增