Endorphins Play a Role in

question 71

Multiple Choice

Endorphins play a role in

• A) analgesia.
• B) pleasure.
• C) retrograde transport.
• D) both A and B
• E) both B and C

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Definitions:

Darwin

Refers to Charles Darwin, a British naturalist known for his contributions to the science of evolution and his proposal of natural selection as a mechanism for evolutionary change.

Neutral Variation

Neutral variation involves genetic differences among individuals that do not confer a selective advantage or disadvantage in terms of survival or reproduction.

Genetic Variation

The diversity in gene frequencies within a population, resulting from mutations, genetic recombination, and other sources.

Geographic Variation

Genetic differences that may exist among different populations within the same species. See cline for an example of one type of geographic variation