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:

Effect Size

A quantitative measure of the magnitude of the difference between groups or the strength of a relationship between variables, often used in research to assess the practical significance of findings.

Independent Samples

Two or more groups of observations that are collected such that the results from one group do not influence the results from another group.

Multiple Times

Refers to conducting or repeating a process or measurement on several occasions to ensure accuracy or reliability.

T Value

A value derived from a T-test, used to determine the significance of differences between two sample means.