Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

only active inside the cell
interchangable with DNA polymerases
highly glycosylated in their active forms
multisubunit enzymes

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Transcription and Regulation
What is a promoter?

A specific DNA sequence to which a restriction endonuclease binds
A specific sequence of DNA to which a catabolic repressor binds
A specific sequence of DNA to which RNA polymerase binds
None of these

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Transcription and Regulation
The function of the sigma factor of RNA polymerase is to

assure that translation ends at the proper point
assure that transcription begins at the proper point
assure that translation begins at the proper point
assure that transcription ends at the proper point

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