試題詳解

22. Which of the following statements about RNA polymerase in bacteria is INCORRECT?
(A) It binds the promoter region of a gene.
(B) It is bound to a sigma factor during initiation of transcription.
(C)It synthesizes RNA.
(D) It catalyzes the addition of nucleotides to the 5′end of a growing RNA strand.
(E) It dissociates from the DNA at the terminator.