If Calcium Is Not Present in the Muscle Cell What

question 27

Multiple Choice

If calcium is not present in the muscle cell what complications can occur in regards to muscle contraction?

• A)Tropomyosin will not be pulled away from the myosin binding sites.
• B)Myosin heads will not bind to the actin filament.
• C)The power stroke will not be produced preventing the actin filament from moving.
• D)All of these are complications resulting from a lack of calcium.

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Definitions:

External Locus of Control

A belief system where individuals perceive their successes or failures to be a result of external factors or forces beyond their control.

Stress

A reaction of the body and mind to demanding or threatening situations, invoking a physiological and psychological response.

Internal Locus of Control

The belief that one has control over their life and outcomes, attributing success and failure to one's own efforts and abilities.

Life Satisfaction

A measure of how people evaluate their lives as a whole rather than their current feelings.