試題詳解

3. What is the possible outcome of a mutant cell line with reduced levels of TEIIS in transcription carried out by eukaryotic RNA polymerase II?
(A) The start site and direction of transcription will be changed.
(B) The C-terminal domain (CTD) of RNA polymerase II will not be phosphorylated.
(C) The serine residues of histones will not be modified by acetylation.
(D) The activity of transcription proofreading will be impaired.
(E) The TFILA/TFIID/TFITB complex will dissociate.