In E Coli When Tryptophan Is Present in the Environment

question 3

Multiple Choice

In E. coli when tryptophan is present in the environment,

• A) the tryptophan operator will break down tryptophan.
• B) the tryptophan-repressor protein will be unable to bind to the tryptophan operator.
• C) tryptophan will bind to a repressor protein.
• D) the tryptophan-repressor protein will be unable to bind to tryptophan.

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