3 years ago

True or false? The lac operon operates by having the repressor only leave the operator when it is bound to the lactose molecule

Biology

1 answer:

S_A_V [24]3 years ago

7 0

Answer:

true

Explanation:

When lactose is not available, the lac repressor binds tightly to the operator, preventing transcription by RNA polymerase. However, when lactose is present, the lac repressor loses its ability to bind DNA. It floats off the operator, clearing the way for RNA polymerase to transcribe the operon

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