Binding of ACh with Receptor Sites on the Motor End

question 31

True/False

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate.

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Definitions:

Permeability

The measure of how easily fluids can pass through a material's pore spaces or fractures.

Loosely Cemented Gravel

A type of sedimentary deposit composed of gravel particles that are held together by a weak cementing material.

Vesicular Volcanic Rock

Rock that contains small cavities or vesicles, formed by gas bubbles trapped during volcanic solidification.

Unsaturated Zone

The layer of the earth's crust above the water table where the pore spaces are not fully filled with water.