Which of the Following Most Accurately Describes the Effect of Decreasing

question 66

Multiple Choice

Which of the following most accurately describes the effect of decreasing Ca²⁺ concentration on sarcomere activity?

• A) troponin is deactivated and tropomyosin covers the actin binding site
• B) tropomyosin is deactivated and troponin covers the actin binding site
• C) myosin no longer hydrolyzes ATP and detaches from actin
• D) myosin no longer binds ATP and recocks into an upright position

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Definitions:

Roles

The behaviors, obligations, and privileges attached to a social status.

Nervous System

The complex network of nerves and cells that transmits signals between different parts of the body, coordinating its actions and sensory information.

Parts

Components or pieces that when combined form a whole.

Plasticity

The brain's ability to change and adapt as a result of experience, including the formation of new neural connections.