This large and complex general transcription factor has a DNA helicase activity that exposes the template for RNA polymerase II transcription. It also has a kinase activity that phosphorylates the C-terminal domain of the polymerase on Ser5 leading to promoter clearance. It is...
A) TFIIB
B) TFIID
C) TFIIE
D) TFIIF
E) TFIIH
Correct Answer:
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