If a Mutation Deactivated a Regulatory Gene of a Repressible

question 4

Multiple Choice

If a mutation deactivated a regulatory gene of a repressible operon in an E. coli cell which of the following describes the most likely outcome?

• 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) continuous translation of the mRNA because of alteration of its structure

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Definitions:

Public Choice Analysis

An economic framework that applies theories and methods traditionally used to analyze market behavior to political decision-making.

Budget Deficits

A situation where a government's expenditures exceed its revenue over a specified period, leading to borrowing or the depletion of reserves.

Budget Surpluses

The situation in which a government's revenues exceed its expenditures during a specific period of time, allowing for savings or debt reduction.

Public Choice Analysis

The study of political behavior using methods and principles of economics, focusing on the self-interest motives of participants and the impact of their behavior on public policy.