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:

Margin Of Error

An expression of the amount of random sampling error in a survey's results, defining a range within which the true population parameter is expected to lie.

T-Score

A standardized score that indicates how many standard deviations an element is from the mean of a distribution.

Confidence Estimate

A range of values calculated from the sample data that is likely to include the true value of an unknown population parameter with a certain level of confidence.

T-Score

A standardized score that indicates how many standard deviations an observation is from the mean of the distribution.