How does the binding exert a positive effect? How does the binding exert a positive effect? The CAP-cAMP complex triggers the formation of the DNA loop, which prevents binding of the repressor protein. The CAP-cAMP complex unbends the DNA loop, thereby allowing binding of RNA polymerase. The CAP-cAMP complex prevents the binding of the repressor protein. The CAP-cAMP complex alters the structure of the promoter and allows RNA polymerase to bind to it. Request Answer

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Biology

29 July, 06:11

How does the binding exert a positive effect? How does the binding exert a positive effect? The CAP-cAMP complex triggers the formation of the DNA loop, which prevents binding of the repressor protein. The CAP-cAMP complex unbends the DNA loop, thereby allowing binding of RNA polymerase. The CAP-cAMP complex prevents the binding of the repressor protein. The CAP-cAMP complex alters the structure of the promoter and allows RNA polymerase to bind to it. Request Answer

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Kassidy Levine · Answer 1

Answer: correct: The CAP-cAMP complex unbends the DNA loop, thereby allowing binding of RNA polymerase

Explanation:

The CAP-cAMP complex unfolds the DNA loop, allowing the binding of RNA polymerase. The catabolite activating protein, when bound with cAMP, is known to stimulate the transcription of the operon lactose genes, being necessary for the reaction RNA polymerase