A Motor Unit Is

question 72

Multiple Choice

A motor unit is

• A) a motor neuron and all of the muscle fibers to which it connects.
• B) a sensory neuron and two muscle fibers.
• C) a motor neuron and a whole muscle.
• D) a sensory neuron and several sarcomeres.
• E) a motor neuron and several sarcomeres.

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Definitions:

Behavioral Genetics

A field of study that examines the role of genetics and environmental influences on behaviors.

Influence

The capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others.

Heredity

The passing of traits from parents to offspring through genes.

Branch of Biology

A specific area of study within biology, such as genetics, zoology, or botany, focusing on different life forms and their characteristics.