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Biology, 06.08.2019 00:30 eshaesmot12345
When a bacterial cell is present in an environment where both lactose and glucose are present, the glucose will be metabolized first and the lactose will be used when the stores of glucose have been depleted. how does a bacterial cell recognize the fact that glucose is present and turn off transcription of the lac genes even when lactose is present? (a) a cap-camp complex is required for transcription, and its level is low when glucose is present.(b) the cap binding site is activated.(c) glucose is a repressor molecule.(d) the lac promoter binds glucose and shuts down the lac operon.
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When a bacterial cell is present in an environment where both lactose and glucose are present, the g...
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