An Operon Is Controlled by a Repressor

question 21

Multiple Choice

An operon is controlled by a repressor. When the repressor binds to a small molecule, it binds to DNA near the operon. The operon is constitutively expressed if a mutation prevents the repressor from binding to the small molecule. The type of control illustrated is:

• A) negative inducible.
• B) negative repressible.
• C) positive inducible.
• D) positive repressible.
• E) catabolite repression.

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Definitions:

Social Systems

Interconnected structures that organize and regulate the behavior of individuals within a society, involving institutions, communities, and patterns of relationships.

Brain Functions

The various activities and processes carried out by the brain, including cognition, perception, and controlling bodily functions.

Behavior Genetics Perspective

A field of study examining the role of genetic and environmental influences on behaviors and personality traits.

Hereditary Factors

Genetic elements and characteristics passed down from parents to offspring, influencing various traits and predispositions.