Which One of the Following Statements About Mutations in the Lactose

question 2

Multiple Choice

Which one of the following statements about mutations in the lactose operon is NOT correct?

• A)A lacI mutant would result in the loss of expression of repressor protein.
• B)A lacI mutant would allow continuous or constitutive expression of both  -galactosidase and lactose permease.
• C)A mutation in the lacO sequence would allow continuous or constitutive expression of both  -galactosidase and lactose permease.
• D)In cells containing one mutant and one normal copy of lacI, the repressor is still expressed and lacZ and lacY will be expressed only in the presence of lactose.
• E)In cells containing one mutant and one normal copy of lacO, lacZ and lacY are expressed only in the absence of lactose.

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Wage Equalization

The theory or goal of aligning wages for similar work across different regions or sectors to minimize inequality.

Migration Costs

Expenses and losses associated with moving from one location to another, often considered in the context of labor mobility or relocation.

Substitute Resources

Alternate resources or inputs that can be used in place of one another in the production process, often leading to competition between them.

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Individuals who are trained to perform specialized tasks or crafts, often requiring manual prowess and specific training.