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Biology, 02.11.2019 04:31 georgehall9795
The bacterium, e. coli prefer to consume glucose. if, however, there is no glucose present, they will utilize lactose as an energy source. which of the following is the regulatory mechanism occurring when there is no glucose, but there is lactose?
a. activators initiate gene expression
b. rna cannot bind to the promoter
c. no lactose metabolism genes are transcribed
d. rna polymerase is blocked
e. the repressor protein binds to the operator region
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The bacterium, e. coli prefer to consume glucose. if, however, there is no glucose present, they wil...
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