A Mutation That Inactivates the Regulatory Gene of a Repressible

question 76

Multiple Choice

A mutation that inactivates the regulatory gene of a repressible operon in an E. coli cell would result in

• A) continuous transcription of the structural gene controlled by that regulator.
• B) complete inhibition of transcription of the structural gene controlled by that regulator.
• C) irreversible binding of the repressor to the operator.
• D) inactivation of RNA polymerase by alteration of its active site.
• E) continuous translation of the mRNA because of alteration of its structure.

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Definitions:

Price System

An economic system wherein the allocation of goods and services, as well as their prices, are primarily determined by supply and demand in a free market.

Market Economy

An economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services.

Rate Of Economic Growth

The increase in the market value of the goods and services produced by an economy over time, usually measured as the percentage increase in real gross domestic product (GDP).

Human Capital

The economic value of a worker's experience and skills, including education, training, intelligence, skills, health, and other things employers value in employees.