Transcription and Regulation
In prokaryotes, transcription is

terminated by a protein called rho
terminated by the stop codon
terminated by a poly A sequence
terminated by a start codon

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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
None of these
A specific sequence of DNA to which RNA polymerase binds

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Transcription and Regulation
The major function of RNA polymerase's sigma factor is

recognition of the translational start sequence
recognition of the transcriptional stop sequence
recognition of the transcriptional start sequence
recognition of the translational stop 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?

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

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