試題詳解

8. Which statement is     true     for eukaryotic RNA polymerases?
(A) RNA polymerase III is found in nucleolus to make precursor to tRNAs.
(B) RNA polymerase II is insensitive to the toxin alpha-amanitin.
(C) Yeast Rpb1, Rpb2 and Rpb7 are core subunits of RNA polymerase II, and are absolutely required for the enzyme activity.
(D) In yeast, Rpb5 and Rpb6 are two of the common subunits that are found in all three RNA polymerases.
(E) RNA polymerase I is responsible for making heterogeneous nuclear RNA (hnRNA).