In the Absence of Tryptophan, __________

Multiple Choice

In the absence of tryptophan, __________.

A) the inactive repressor cannot bind trpO, so 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 active repressor cannot bind trpO, so operon gene transcription is attenuated
E) the repressor binds the corepressor, and operon gene transcription occurs