Which of the following occurs when the heptapeptide repeat in the carboxy terminal domain in the RPB1 subunit of RNA polymerase II is phosphorylated?
A)conversion to an elongation complex
B)binding to DNA
C)formation of a holo-RNA polymerase II
D)initiation of transcription

Question

Quizplus · Accepted Answer

Phosphorylation of the heptapeptide repeat in the carboxy terminal domain of RPB1 subunit of RNA polymerase II is required for conversion of the enzyme to an elongation complex. This modification is necessary for efficient transcription elongation.

Which of the Following Occurs When the Heptapeptide Repeat in the Carboxy