試卷名稱:106年 - 106 國立臺灣大學_碩士班招生考試試題:生物化學( A )#125748
年份:106年
科目:研究所、轉學考(插大)◆生物化學
49. The role of a metabolite that controls a repressible operon is to
(A) bind to the promoter region and decrease the affinity of RNA polymerase for the promoter.
(B) bind to the operator region and block the attachment of RNA polymerase to the promoter.
(C) increase the production of inactive repressor proteins.
(D) bind to the repressor protein and inactivate it.
(E) bind to the repressor protein and activate it.