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

question 22

Multiple Choice

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

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