Certain Mutations in the Regulator Gene of the Lac System

question 6

Essay

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

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Definitions:

Purging

In the context of eating disorders, engaging in behaviors to rid the body of consumed food or calories, such as via vomiting or excessive use of laxatives, often in an attempt to lose weight.

High-Intensity Exercise

A form of physical activity that involves vigorous bursts of activity followed by short recovery periods.

Compensatory Behavior

Actions taken to offset or make up for another behavior, often observed in the context of psychological disorders, such as eating disorders.

Force Vomit

The act of deliberately inducing vomiting.