The Fact That a Cell Has an Electrical Potential Difference

question 21

Multiple Choice

The fact that a cell has an electrical potential difference across its membrane makes that cell

• A) repolarized.
• B) polarized.
• C) polar.
• D) hyperpolarized.
• E) depolarized.

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Definitions:

Sarcomeres

The basic contractile units of muscle fiber, made of thin and thick filaments that slide past one another to produce muscle contraction.

Fibromyalgia

A long-term condition characterized by widespread musculoskeletal pain, fatigue, and tenderness in localized areas.

Muscular Dystrophy

A group of genetic diseases characterized by progressive weakness and degeneration of the skeletal or voluntary muscles which control movement.

Cramps

Involuntary, painful contractions of muscles, often resulting from overuse, dehydration, or mineral imbalance.