Which of the following must occur so that the pre-initiation complex can be converted to the open complex?
A) The C terminal end of the RNA polymerase must be dephosphorylated.
B) The C terminal end of the RNA polymerase must be phosphorylated.
C) The N terminal end of the RNA polymerase must be dephosphorylated.
D) The N terminal end of the RNA polymerase must be phosphorylated.
B
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