In the Absence of Tryptophan,____________

question 48

Multiple Choice

In the absence of tryptophan,____________ .

• A) the repressor binds the corepressor, and operon gene transcription occurs
• B) the active repressor binds trpP, so operon gene transcription is repressed
• C) the inducer cannot bind trpO, so operon gene transcription occurs
• D) the inactive repressor cannot bind trpO, so operon gene transcription occurs
• E) the active repressor cannot bind trpO, so operon gene transcription is attenuated