Which of the following belong to long-distance control elements:()
A. Enhancer
B. Silencer
C. Downstream promoter elements
D. Upstream activation sequences
E. Insulator
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Which factors in the following are included in the core promoter of eukaryotic cells:()
A. TATA box
B. Inr
C. DPE
D. Enhancer
E. BRE
Which of the following catalyze the synthesis of mRNA in eukaryotic cell:()
A. RNA polymerase I
B. RNA polymerase II
C. RNA polymerase III
D. RNA polymerase core enzyme
Which is wrong description about promoter:()
A. It is located upstream a gene.
B. The promoter of prokaryotic cells is recognized and combined by RNA polymerase, while the promoter of eukaryotic cells is recognized by general transcription factors.
C. There are some conservative sequences in the promoter region.
D. Both prokaryotes and eukaryotes have promoters.
E. Genes encoding proteins all have the same core promoter factors.
Which of the following statement about transcriptional regulation element is NOT correct:()
A. The general transcriptional factors always bind to core promoter element.
B. Enhancer can be recognized and combined by some transcriptional activation factors.
C. Silencer which also belongs to transcriptional regulatory factors can be combined by transcription inhibitors.
D. TFIID factor can recognize several elements of the core promoter at the same time.
E. The elements in the core promoter functions independently, without synergistic activation between each other.
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