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Discuss the actions taken by prokaryotes when energy substrate conditions and availability concentrations are: 1. glucose...

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Biology

Discuss the actions taken by prokaryotes when energy substrateconditions and availability concentrations are: 1. glucose presentlactose absent, 2. Glucose absent and lactose present, 3. Glucosehigh and lactose low. Be sure to describe the complete mechanismresponsible for the metabolic switch from glucose to lactosemetabolism and any factors associated with that change

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1 When glucose is present and lactose absent the cell will utilize glucose as the sole energy source and keep the lac operon turned off When lactose is absent there is no need to synthesize the enzymes needed to degrade it Absence of lactose keeps the lac repressor active which then binds to the operator and prevent RNA polymerase from binding to the    See Answer
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