問題詳情
24. An enhancer
(A)is a protein that binds to RNA polymerase and stimulates transcription.
(B) interacts with repressor proteins to enhance transcriptional repression.
(C) binds to RNA polymerase and stimulates transcription.
(D) is a DNA element that increases transcription.
參考答案
答案:99
統計:A:0,B:0,C:0,D:0,E:0
難度:計算中