#Question id: 2634
#Unit 2. Cellular Organization
Tryptophan, the end-product of the enzymes encoded by the trp operon, therefore acts as a co-repressor and inhibits its own synthesis through:
#Question id: 2635
#Unit 2. Cellular Organization
In E. coli, deleting the ribosome binding site and region 1 of the trp attenuator and leaving the remainder of the attenuator intact has which of the following effects?
#Question id: 2636
#Unit 2. Cellular Organization
Which of the following events occur when E. coli is starved for tryptophan?
I. The ribosome translates leader peptide completely
II. Transcription reads through attenuator into trp EDCBA
III. Tryptophanyl tRNA is not formed
IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site
#Question id: 2636
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following events occur when E. coli is starved for tryptophan?
I. The ribosome translates leader peptide completely
II. Transcription reads through attenuator into trp EDCBA
III. Tryptophanyl tRNA is not formed
IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site
#Question id: 2637
#Unit 2. Cellular Organization
Which of these operons is anabolic?
#Question id: 2638
#Unit 2. Cellular Organization
Which of these systems give the best mode for turning trp operon off?