
Biology 3rd Edition by Peter Russell, Paul Hertz, Beverly McMillan
Edition 3ISBN: 9781133592075
Biology 3rd Edition by Peter Russell, Paul Hertz, Beverly McMillan
Edition 3ISBN: 9781133592075 Exercise 3
For the trp operon:
A)tryptophan is an inducer.
B)when tryptophan binds to the Trp repressor, transcription is blocked.
C)Trp repressor is synthesized in an active form.
D)low levels of tryptophan bind to the trp operator and block transcription of the tryptophan biosynthesis genes.
E)high levels of tryptophan activate RNA polymerase and induce transcription.
A)tryptophan is an inducer.
B)when tryptophan binds to the Trp repressor, transcription is blocked.
C)Trp repressor is synthesized in an active form.
D)low levels of tryptophan bind to the trp operator and block transcription of the tryptophan biosynthesis genes.
E)high levels of tryptophan activate RNA polymerase and induce transcription.
Explanation
In general, the environment in which E.c...
Biology 3rd Edition by Peter Russell, Paul Hertz, Beverly McMillan
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