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Lac Operon
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Lac Operon
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12. Gene Regulation in Prokaryotes / Lac Operon / Problem 7
Identify the correct statement about the regulation of the lac operon in bacteria.
ANSWERS OPTIONS
A
It responds differently to different concentrations of galactose in the environment.
B
It is switched on in the absence of lactose.
C
Lactose binds to the repressor, causing it to remain on the operator.
D
The lacZ gene encodes beta-galactosidase which converts lactose into glucose and galactose.
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