Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

recognition of the -10 sequence only
None of these
recognition of the -35 sequence only
recognition of the -10 sequence and -35 sequence

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Transcription and Regulation
Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA?

Presence of IPTG (isopropyl thiogalactoside) in the growth media
Both (b) and (c)
Presence of lactose in the growth media
Presence of glucose in the growth media

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

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

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