Q21. What regulators of gene expression bind the lac promoter region if E. coli is grown in media containing lactose but not glucose? The lacl repressor doesn't bind, but the CAP protein does. Neither the lacl repressor nor the CAP protein bind. Both the lacl repressor and the CAP protein bind. The lacl repressor binds, but the CAP protein doesn't.

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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Q21. What regulators of gene expression bind the lac promoter region if E. coli is grown in media containing lactose but
not glucose?
The lacl repressor doesn't bind, but the CAP protein does.
Neither the lacl repressor nor the CAP protein bind.
Both the lacl repressor and the CAP protein bind.
The lacl repressor binds, but the CAP protein doesn't.
Transcribed Image Text:Q21. What regulators of gene expression bind the lac promoter region if E. coli is grown in media containing lactose but not glucose? The lacl repressor doesn't bind, but the CAP protein does. Neither the lacl repressor nor the CAP protein bind. Both the lacl repressor and the CAP protein bind. The lacl repressor binds, but the CAP protein doesn't.
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