Multiple Choice
In the tryptophan operon, the repressor actively binds to the operator when:
A) tryptophan binds to an allosteric site on the repressor protein, thereby activating it.
B) tryptophan levels are low.
C) lactose levels are low.
D) there is a great need for proteins.
E) allotryptophan levels are low.
Correct Answer:

Verified
Correct Answer:
Verified
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