Racial Classifications Are

question 28

Multiple Choice

Racial classifications are

• A) biological categories.
• B) cultural categories.
• C) economic categories.
• D) social categories.

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Definitions:

Polarity

The condition of having distinct and opposite ends or poles, often relating to molecule orientation or cell differentiation.

Sarcomere

The fundamental unit of striated muscle tissue, responsible for muscle contraction, defined by the area between two Z lines.

Contracted Sarcomere

A sarcomere that has shortened in length, due to the sliding of actin and myosin filaments, leading to muscle contraction.

Muscle Fiber

A single muscle cell that contracts in response to stimulation and is capable of producing force.