試題詳解

26. Dr. Robert Roeder discovers three DNA-dependent RNA polymerases from developing sea urchin embryos in 1969. Which description about his study is incorrect?
(A) RNA polymerase I is located in nucleoli.
(B) RNA polymerase I and II are sensitive to a-amanitin.
(C) RNA polymerase III synthesizes tRNA and rRNA 5S.
(D) The purification of polymerases is interfered by the nucleosomes.
(E) Dr. Roeder develops cell-free reconstitution systems to study transcription and finds other factors are needed for RNA transcription.