Certain Mutations in the Regulator Gene of the Lac System

question 63

Essay

Certain mutations in the regulator gene of the lac system in E. coli result in maximal
synthesis of the Lac proteins (fi -galactosidase, etc.) even in the absence of the inducer (lactose). Provide an explanation for this observation.

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Definitions:

Conversion Disorder

A mental health condition where psychological stress is converted into physical symptoms that cannot be explained by medical conditions.

Derealization Disorder

A mental disorder characterized by experiencing the world as if it is unreal or detached from oneself.

Conversion Disorder

A mental condition where psychological stress manifests as physical symptoms, lacking a medical cause.

Secondary Gains

Unintended benefits or advantages a person may receive from being sick or assuming a patient role, such as sympathy or attention.