What Would Be the Result of a Mutation That Deactivates

question 8

Multiple Choice

What would be the result of a mutation that deactivates the regulatory gene of a repressible operon in an Escherichia coli cell?

• A)continuous transcription of the enzyme-coding gene controlled by that regulator
• B)complete inhibition of transcription of the enzyme-coding 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

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Definitions:

Demand for Goods

The desire, willingness, and ability of consumers to purchase goods at a given price over a specific time period.

Unemployment Insurance

A government program that partially protects workers’ incomes when they become unemployed.

Multiplier

The factor by which an initial change in spending will alter total economic output, usually in the context of fiscal or monetary policy.

MPC

Marginal Propensity to Consume, which is the proportion of additional income that a consumer spends on goods and services as opposed to saving it.