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Molecular Biology 5th Edition by Robert Weaver
Edition 5ISBN: 978-0073525327Molecular Biology 5th Edition by Robert Weaver
Edition 5ISBN: 978-0073525327 Exercise 3
Consider E. coli cells, each having one of the following mutations:
a. a mutant lac operator (the O c locus) that cannot bind repressor
b. a mutant lac repressor (the I gene product) that cannot bind to the lac operator
c. a mutant lac repressor (the I s gene product) that cannot bind to allolactose
d. a mutant lac promoter region that cannot bind CAP plus cAMP
What effect would each mutation have on the function of the lac operon (assuming no glucose is present)
a. a mutant lac operator (the O c locus) that cannot bind repressor
b. a mutant lac repressor (the I gene product) that cannot bind to the lac operator
c. a mutant lac repressor (the I s gene product) that cannot bind to allolactose
d. a mutant lac promoter region that cannot bind CAP plus cAMP
What effect would each mutation have on the function of the lac operon (assuming no glucose is present)
Explanation
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a) E. coli cells having the mutant lac o...
Molecular Biology 5th Edition by Robert Weaver
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