Question #6426503Single Choice

Biology

Question

In the case of the trp operon, if a mutation occurs in the gene encoding the tryptophan repressor protein such that it can no longer bind tryptophan, what will be the effect on the operon's activity?

Options

The operon will always be turned off regardless of tryptophan levels.

The operon will always be turned on regardless of tryptophan levels.

The operon will function normally as the repressor's binding to the operator is unaffected.

The operon will be turned on only when tryptophan levels are extremely low.

Answer & Analysis

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