阿摩線上測驗
登入
阿摩線上測驗
登入
試卷名稱：114年 - 114 國立清華大學_學士後醫學系考試︰生物生化#126232
年份：114年
科目：學士後西醫-普通生物及生化概論
57. Which of the following statements about E. coli RNA polymerase is correct?
(A) The enzyme is composed of four subunits, namely αβρσ.
(B) It requires the assistance of a DNA helicase to unwind double-stranded DNA for initiation of transcription.
(C) The o subunit is responsible for recognizing the promoter sequence.
(D) The o subunit is dissociated from the enzyme complex when the mRNA synthesis is complete.
(E) The growth direction of the RNA chain is from 3' to 5'.
