When tryptophan binds to the Trp repressor, what is the effect on the repressor:operator interaction?
A) The Kd for the repressor:operator complex increases, lowering affinity.
B) The Kd for the repressor:operator complex decreases, increasing affinity.
C) The Kd for the repressor:operator complex increases, increasing affinity.
D) The Kd for the repressor:operator complex decreases, lowering affinity.
E) There is no change in Kd.
Correct Answer:
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