The Lactose Analog Isopropyl- $\beta$ -D-Thio-Galactoside (IPTG)is Often Used to Regulate Gene Expression Systems in Regulate

question 61

Multiple Choice

The lactose analog isopropyl- $\beta$ -D-thio-galactoside (IPTG) is often used to regulate gene expression systems in bacteria.IPTG does not act as a substrate for $\beta$ -galactosidase,but can bind to,and inactivate,repressor.In this case,IPTG serves as a(n)

• A)inducer.
• B)repressor.
• C)effector.
• D)operon.

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Definitions:

Obedience

The act of following orders or directives from authority figures, often without question.

Personal Space

The physical area surrounding an individual that is considered personal and private, often influencing social interaction.

Emotional Reactivity

The extent to which an individual responds emotionally to situations, which can vary greatly from person to person.

Temperament

The innate or genetically influenced traits that determine an individual's behavior, mood, and emotional responses.