题目内容

Bacteria use only one RNA polymerase for transcription of all RNA in the cell, while eukaryotic cells have various RNA polymerases.()

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Promoter of all higher eukaryotes have TATA box.()

RNA polymerase in eukaryotic cells only exists in the nucleus.()

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

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

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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