All of the following statements are correct with regard to multiple RNA polymerases of eukaryotic cells EXCEPT
A) different polymerases may have certain subunits in common.
B) polymerases I and II can be distinguished from one another in vitro by differential sensitivity to alpha-amanitin.
C) polymerase II synthesizes 45S rRNA precursors.
D) polymerase III synthesizes 5S RNA.
E) polymerase I is localized in the nucleolus.

Question

Quizplus · Accepted Answer

Polymerase I synthesizes 45S rRNA precursors, not polymerase II (which synthesizes mRNA precursors).

All of the Following Statements Are Correct with Regard to Multiple