A Motor Unit Refers to

question 166

Multiple Choice

A motor unit refers to

• A)a single motor neuron plus all of the muscle fibers it innervates
• B)a single muscle fiber plus all of the motor neurons that innervate it
• C)all of the motor neurons supplying a single muscle
• D)a pair of antagonistic muscles
• E)a sheet of smooth muscle cells connected by gap junctions

Understand the concepts of biculturalism and acculturation in immigrant populations.

Recognize the principles of Terror Management Theory and its implications on human beliefs and behaviors.

Explain the ongoing debate on the influence of genetics versus culture on gender differences.

Analyze the impact of birth order and family size on intelligence and personality development.

---

Definitions:

Monozygotic

Refers to twins, originating from the same egg, and are genetically identical.

Dizygotic

Pertaining to or derived from two separate fertilized eggs, resulting in fraternal twins that are genetically similar to siblings born at different times.

Klinefelter Syndrome

A genetic condition affecting males, characterized by an extra X chromosome, which can result in physical, developmental, and fertility issues.

Tay-Sachs Disease

A fatal genetic neurological disorder.