What Causes a Muscle Cell to Contract

question 11

Multiple Choice

What causes a muscle cell to contract?

• A) Actin and myosin break down.
• B) Actin heads attached to myosin bend.
• C) Calcium ions form a bridge binding actin to myosin.
• D) ATP forms a bridge binding actin to myosin.
• E) Myosin heads attached to actin bend.

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Definitions:

Talcott Parsons

An American sociologist known for his development of social action theory and for his role in the establishment of the structural-functional approach in sociology.

Adaptation

The process by which individuals, species, or groups adjust to changes in their environment, ensuring survival or improved functionality.

External Context

The surrounding conditions or circumstances external to a specific focus or object of study.

Environment

The surroundings or conditions in which a person, animal, or plant lives or operates, encompassing both natural and built environments.