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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Transcription and Regulation
The transcriptional regulatory proteins in eukaryotes which induce transcription usually have

none of these
at least two distinct domains of protein structure, a DNA binding domain and an activation domain
at least two distinct domains of protein structure and a DNA binding domain
at least one distinct domains of protein structure, a DNA binding domain and an activation domain

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