Interest in the Biological Underpinnings of Eating Disorders, Especially Bulimia

question 164

Multiple Choice

Interest in the biological underpinnings of eating disorders, especially bulimia nervosa, has largely focused on the role of the neurotransmitter ______.

• A) serotonin
• B) dopamine
• C) epinephrine
• D) acetylcholine

Grasp the concepts of orthologous and paralogous genes and their relevance in evolutionary biology.

Explain the hypothesis for genome size and the effectiveness of purifying selection.

Understand how gene duplication can lead to novel functions or pseudogenes.

Recognize the impact of genome size variation among different organisms and the factors contributing to it.

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Definitions:

Brain

The central organ of the human nervous system, located in the skull, responsible for cognitive and bodily functions.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, responsible for connecting the CNS to limbs and organs.

Muscle Control

The ability to direct and coordinate muscle actions in the body for voluntary movements.

Somatic

Relating to the body, especially as distinct from the mind, or pertaining to the wall of the body cavity, especially in contrast to the visceral parts.