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andrezito [222]
4 years ago
5

What is the effect of the cap protein on the transcription level of the lac operon?

Biology
1 answer:
Gnesinka [82]4 years ago
4 0

Answer:

The lac repressor senses lactose indirectly, through its isomer allolactose. Catabolite activator protein (CAP) acts as a glucose sensor. It activates transcription of the operon, but only when glucose levels are low. CAP senses glucose indirectly, through the "hunger signal" molecule cAMP.

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