複選題11. Which of the following statements about RNA polymerase is/are CORRECT? (A) RNA polymerase I is responsible for producing all rRNA. (B) RNA polymerase II is responsible for producing all mRNA. (C) RNA polymerase III is responsible for producing all tRNA. (D) All three RNA polymerase are located in the nucleoplasm for RNA synthesis functions. (E) All three RNA polymerase are sensitive to the mushroom toxin o-amanitin, which blocks the elongation phase of RNA synthesis.