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Biochemistry General 255d9f5d

The CAP cAMP regulator in Lac operon is known for which of the following functions?

A
Positive regulator
B
Negative regulator
C
Constitutive expression
D
Attenuation
High-Yield Explanation
The CAP-cAMP regulator is acting as a positive regulator because its presence is required for gene expression. It functions in turning on the transcription of the structural genes in the operon. Ref:Harper's Illustrated Biochemistry 27thEdition, Page 80 - 384 ; Lippincotts Biochemistry 3rd Edition, Page 418, 419, 420 ; Principles of Genetics, 8th Ed By Gardner, Simmons, Snustad, 2006, Page 22.

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