What Is a Fascicle of a Skeletal Muscle

question 8

Multiple Choice

What is a fascicle of a skeletal muscle?

• A)A layer of connective tissue surrounding an entire skeletal muscle
• B)A contractile unit of a myofibril
• C)An inward extension of the sarcolemma through the muscle fiber
• D)A bundle of skeletal muscle fibers
• E)A motor neuron and all of the muscle fibers that it innervates

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Definitions:

Environmental Factors

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Genetic Factors

Components of an organism's genetic makeup that influence its characteristics, traits, and predispositions to certain conditions or behaviors.

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The Big Five personality traits model outlines five broad dimensions of human personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism, believed to encompass the spectrum of human personality.

Heritability

The proportion of variation among individuals that can be attributed to genetic factors, often used in the context of traits or behaviors.