試題詳解

51. The enhancer is located distant from the transcriptional start site. How can an enhancer change transcription?
(A) An enhancer cannot change transcription.
(B) Activators bind to the enhancer and bring the bound activators closer to the promoter to trigger transcription.
(C) An enhmicer can only change the transcription of another gene.
(D) None of the above.
(E) All of the above.