Multiple Choice
All of the following statements about the essential carboxy terminal domain (CTD) of RNA polymerase are true except:
A) The CTD is present in RNA polymerase I,II,and III.
B) The CTD can become phosphorylated.
C) The CTD is critical for viability.
D) The CTD of mammals contains more than 50 repeats of a heptapeptide.
Correct Answer:

Verified
Correct Answer:
Verified
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