What Process Involves the Binding of Calcium and Troponin to Shape

question 180

Multiple Choice

What process involves the binding of calcium and troponin to shape shift the tropomyosin, exposing activated sites on the actin filament and causing a subsequent shortening of the muscle fiber?

• A)Sliding - filament theory
• B)Calcium pump
• C)Action potentials
• D)Excitation of myosin

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Definitions:

Mitral Valves

Valvular structures located between the left atrium and left ventricle of the heart, facilitating unidirectional blood flow.

Held In Place

A state of being securely fixed in a specific position or location, preventing movement or loss.

Heart Murmur

A heart murmur is a sound heard during a heartbeat that can be a normal variant or indicative of an underlying heart condition.

Hissing Noise

A sound often produced by gas or steam escaping through a small orifice or by certain animals as a defensive mechanism.