Which of the following is an incorrect description about the tryptophan operon?

ARibosomes are involved in transcription termination
BTranscription and translation coupling forms its molecular basis for transcription regulation
CTryptophan deficiency leads to premature transcription termination
DAttenuator is a key regulatory element

Correct answer: A. Ribosomes are involved in transcription termination

The tryptophan operon's regulation involves the attenuation process, not ribosomal involvement in transcription termination. Transcription and translation coupling are indeed part of its regulatory mechanism. Tryptophan deficiency leads to premature transcriptional termination through attenuation. The attenuator is a key component.

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