5.8.1 - The Lac Operon
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Practice Questions
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What is the function of the lac operon?
💡 Hint: Think about what the operon regulates.
Name one of the enzymes produced by the lac operon.
💡 Hint: This enzyme helps in breaking down lactose.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the function of the lac operon?
💡 Hint: Focus on what substrate the genes within the operon act upon.
True or False: The lac operon is only positively regulated.
💡 Hint: Remember the dual control mechanisms.
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Challenge Problems
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Discuss the implications for E. coli survival if a mutation in the lac operon permanently activates the operon regardless of lactose presence.
💡 Hint: Consider the energy costs of unnecessary enzyme production.
How would the lac operon respond to the combined presence of lactose and high glucose levels in the environment?
💡 Hint: Think about the preference of bacteria for energy sources.
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