Question

The lactose (lac) operon

in E. coli is an example of a
gene that is repressed when
lactose is not available in a cell.
In 1-2 sentences, explain what
this means, using correct
terminology. (4 points)

Answer 1

[AI-generated answer — Bot GPT 3.5]

When lactose is not available in a cell, the lactose operon in E. coli is repressed, meaning that the genes responsible for lactose metabolism are not expressed, leading to the absence of lactose utilization machinery.