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2 cards from this section. Quick, good the night before a test.
What is the function of the lac operon?
Think about what the operon regulates.
Name one of the enzymes produced by the lac operon.
This enzyme helps in breaking down lactose.
What is the function of the lac operon?
Focus on what substrate the genes within the operon act upon.
True or False: The lac operon is only positively regulated.
Remember the dual control mechanisms.
Discuss the implications for E. coli survival if a mutation in the lac operon permanently activates the operon regardless of lactose presence.
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?
Think about the preference of bacteria for energy sources.
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