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Vedmedyk [2.9K]
2 years ago
15

What happens to the lac operon when both glucose and lactose are present?

Biology
1 answer:
drek231 [11]2 years ago
8 0

Answer:

If both glucose and lactose are both present, lactose binds to the repressor and prevents it from binding to the operator region. The block of lac gene transcription is thus lifted, and a small amount of mRNA is produced.

Explanation:

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