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In the Tryptophan Operon, the Repressor Actively Binds to the Operator

Question 14

Multiple Choice

In the tryptophan operon, the repressor actively binds to the operator when:


A) tryptophan binds to an allosteric site on the repressor.
B) tryptophan levels are low.
C) lactose levels are low.
D) there is a great need for proteins.
E) allotryptophan levels are low.

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