試卷名稱:105年 - 105 國立清華大學_碩士班考試入學試題_生命科學院甲、醫學生物科技學程:分子生物學#126182
年份:105年
科目:研究所、轉學考(插大)◆分子生物學
4. Which of the following statement is correct regarding the sigma-factor?
(A) Subregions 2.4 and 4.2 are involved in operator recognition.
(B) Region 1 appears to be in preventing σ from binding to DNA by itself.
(C) It determines rifampicin sensitivity or resistance.
(D) Subregion 2.4 has a β-sheet domain.
(E) Region 3 is the most highly conserved σ region.