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What is expected if tryptophan is not present in the environment? A. The repressor is active and the operon is off. B. The tryptophan can't be digested so the operon is off. C. None of these. D. The repressor
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What is expected if tryptophan is not present in the environment?

A. The repressor is active and the operon is off.
B. The tryptophan can't be digested so the operon is off.
C. None of these.
D. The repressor is inactive and the operon is on.​

What is expected if tryptophan is not present in the environment? A. The repressor-example-1
User Kxhitiz
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If tryptophan is not present in the environment, the repressor is inactive, and the operon is on. The answer is D.
User Evdokia
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