题目内容

Which of the following products are transcribed by RNA polymerase III in eukaryotic cells:()

A. hnRNA
B. tRNA
C. mRNA
D. 5SrRNA

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Which of the following belong to long-distance control elements:()

A. Enhancer
B. Silencer
C. Downstream promoter elements
D. Upstream activation sequences
E. Insulator

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.

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