The Expression of the Tryptophan Operon Is Controlled by

question 26

Multiple Choice

The expression of the tryptophan operon is controlled by

• A)a repressor that is active when it binds to tryptophan.
• B)an activator that turns the operon on by binding to DNA.
• C)a repressor that is active when it is alone.
• D)a repressor that is inactive when it binds to lactose.

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Definitions:

Government Intervention

The actions taken by a government to influence or regulate various activities within its economy.

Pigouvian Taxes

Taxes imposed on activities that generate negative externalities, aiming to correct market outcomes by aligning private costs with social costs.

Sulfur Dioxide Emissions

Refers to the release of sulfur dioxide gas into the atmosphere, primarily from burning fossil fuels, which can cause environmental and health problems.

Excise Taxes

Taxes charged on the sale of specific goods and services, such as alcohol and tobacco, often used as a tool for discouraging their consumption.