試題詳解

21. Which of the following statement is       true      ?
(A) Eukaryotic RNA polymerase III makes tRNAs and snRNAs
(B) Rpbl of yeast RNA polymerase is homologous to alpha-subunit of bacterial RNA polymerase
(C) Rpb5 of yeast RNA polymerase II is also a component of RNA polymerase I and III
(D) Zipper is a protein loop within eukaryotic RNA polymerase II and is involved in initiating dissociation of the RNA-DNA hybrid
(E) Yeast RNA polymerase contains 10 apparent subunits and four of them are phosphorylated