When a Structural Gene Is Under Positive Inducible Control, What

question 53

Multiple Choice

When a structural gene is under positive inducible control, what would be the result of a mutation that eliminates the activator protein?

• A) The structural gene will be constitutively expressed due to the lack of inducible control.
• B) The transcription of the structural gene will not be affected, as an activator is not required.
• C) The mutation will lead to activation of a repressor upon the lack of an activator protein, which will block transcription.
• D) Since transcription will require an activator protein, the transcription will be turned off.
• E) More cAMP will be produced in a cell to compensate for the lack of an activator protein.

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Definitions:

Net Investment

The total amount spent on capital assets, like buildings and machinery, minus depreciation. It reflects the increase in the value of physical assets.

Depreciation

The gradual decrease in the economic value of the capital assets of a firm or nation due to wear and tear, obsolescence, or age, often accounted for in financial statements through depreciation expense.

Disposable Income

Income available to an individual or family after taxes, which can be spent or saved.

Disposable Income

The capital households have left for spending and saving after paying income taxes.