A Mutation in the CAP Protein Occurs Such That It

question 29

Multiple Choice

A mutation in the CAP protein occurs such that it permanently binds cAMP.What is the likely effect on lac operon gene expression when glucose concentration is high and lactose is present?

• A)Lac operon gene expression will decrease until glucose concentrations drop.
• B)Lac operon gene expression will increase until glucose concentrations drop.
• C)Lac operon gene expression will permanently glucose,regardless of lactose concentration.
• D)Lac operon gene expression will permanently increase,regardless of glucose concentration.

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Definitions:

Fixed Expenses

Costs that do not change in total with changes in the volume of activity, such as rent, salaries, and insurance premiums.

Variable Expenses

Costs that change in proportion to the level of business activity or production volume.

Fixed Expenses

Fixed expenses are costs that do not change in the short term regardless of the level of production or sales, such as rent, salaries, and insurance premiums.

Margin Of Safety

The excess of budgeted (or actual) dollar sales over the break-even dollar sales.