問題詳情

21. During the elongation stage of transcription________.
(A) DNA'nucleotides are added to the transcript
(B) the transcript grows in the 5' to 3' direction
(C) transcription factors recruit RNA polymerase to the template strand
(D) the double helix remains single-stranded after being used as a template
(E) RNA polymerase binds to the promoter region

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增