試題詳解

13. Transcription initiation involves recognition of consensus sequences by specific regions/domains of the RNA polymerase in Escherichia coli. Which of the following regions or domains recognizes the -10 promoter element?
(A) o factor region 2.
(B) o factor region 3.
(C) o factor region 4.
(D) C-terminal domain of subunit o.
(E) N-terminal domain of subunit a.