What Is the Effect on the Activity of RNA Polymerase

Multiple Choice

What is the effect on the activity of RNA polymerase I if TAF1 is deleted from the promoter?

A) Polymerase I will not form the preinitiation complex.
B) Phosphorylation of the DNA-binding domain will be impaired.
C) Elongation will be slowed.
D) Polymerase I will not form the preinitiation complex and phosphorylation of the DNA-binding domain will be impaired are correct.
E) None of the choices is correct.