What is the effect of high glucose levels on the lac operon?

What is the effect of high glucose levels on the lac operon?

Step 1: Understand that the lac operon is a set of genes in bacteria that help them use lactose for energy.
Step 2: Know that glucose is a preferred energy source for bacteria over lactose.
Step 3: When glucose levels are high, the bacteria do not need to use lactose, so they don't need the lac operon to be active.
Step 4: High glucose levels cause a decrease in a molecule called cAMP (cyclic AMP).
Step 5: cAMP is important because it helps activate the lac operon when glucose is low.
Step 6: With low cAMP levels, the lac operon is not activated, leading to decreased transcription of the genes needed to use lactose.

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