Action Potentials Traveling Down the Plasma Membrane of a Muscle

question 29

Multiple Choice

Action potentials traveling down the plasma membrane of a muscle fiber will next reach the

• A) plasma membrane.
• B) sarcoplasmic reticulum.
• C) cytoskeletal system.
• D) T tubules.
• E) endomembrane system.

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Definitions:

Precipitation

Any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface.

Curved Ridges

Natural elevations or landforms that form a curved or arc-shaped pattern, typically the result of tectonic, erosional, or volcanic activities.

Glacier

A large, slow-moving mass of ice, formed by the accumulation and compaction of snow, which shapes the landscape as it flows.

Continental Collision

The process where two continental tectonic plates collide, resulting in mountain building and seismic activity.