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試卷名稱：111年 - 111 國立清華大學_碩士班考試入學試題_生命科學院 甲組、丁組：分子生物學#125321
年份：111年
科目：研究所、轉學考(插大)◆分子生物學
18. Which of the following description about polyadenylation is (are) correct?
(A) The polyA binding protein I (PAB I) binds to mRNA Poly( A ), which recruits polysomes and enhances the translatability of mRNA.
(B) Continuously translating mRNA to protein causes Poly( A ) turnover, leading to mRNA degradation.
(C) PAB II is critical for the initiation of polyadenylation.
(D) Occurrence of pre-mRNA cleavage triggers the assembling the of precleavage complex bound to the cleavage site.
(E) The cleavage and polyadenylation specificity factor (CPSF) is required for both initiation and elongation phases of Poly( A ).
