What Is a Regulatory Enhancer of a Gene

question 26

Multiple Choice

What is a regulatory enhancer of a gene?

• A) the chromatin in areas surrounding the gene
• B) a section of DNA that targets proteins for degradation and thus stops the expression of the unwanted genes
• C) a section of DNA that lies outside of that gene but is involved in regulating the timing and level of that gene's expression
• D) a functionless gene copy that is the result of gene duplication

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Definitions:

Negative Reinforcement

A psychological concept where the removal of an unfavorable event or outcome after the display of a behavior increases the likelihood of that behavior being repeated in the future.

Thorndike's Law Of Effect

A psychological principle stating that behaviors followed by satisfying consequences are more likely to be repeated, while those followed by unpleasant consequences are less likely to be repeated.

Skinner's Theory

A theory developed by B.F. Skinner that emphasizes operant conditioning, where behavior is shaped and maintained by its consequences, including reinforcements and punishments.

Pavlov's Theory

A theory posited by Ivan Pavlov that emphasizes the role of conditioned reflexes in the occurrence of certain behaviors through classical conditioning.