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The core enzyme of RNA polymerase slide along the template strand in the direction of 5'→3'.()

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Transcription products in prokaryotes must be polycistron.()

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Theρfactor possesses both ATPase and helicase activity.()

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When transcription is terminated in prokaryotes,σfactor can recognize the termination signal.()

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Which of the following descriptions about transcription termination in prokaryotic cell is correct:()

A. occurs randomly
B. depends on theρfactor of the holoenzyme of RNA polymerase
C. If the transcription terminator sequence contains palindromic sequence, ρfactor is not necessary for the termination.
D. It can effectively terminate the transcription process if the end of the gene is rich of A-T.

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