Biology, 01.02.2021 20:50, user20061024

When is gene expression blocked in the lac operon system? RNA polymerase begins transcribing the genes.

The repressor protein blocks the genes from making mRNA.

The repressor protein destroys the genes required to produce enzymes.

Lactose binds to the repressor and changes its shape.

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When is gene expression blocked in the lac operon system? RNA polymerase begins transcribing the ge...