Which of the Following Is True of the Plasma Membrane

question 54

Multiple Choice

Which of the following is true of the plasma membrane?

• A)It controls the passage of substances into and out of the cell.
• B)It only allows hydrophilic materials to pass through.
• C)It is a rigid, nonchanging structure.
• D)Its capabilities are primarily determined by carbohydrates in the membrane.

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Definitions:

Action Potential

A temporary reversal of the electrical polarization of the membrane of a nerve cell or muscle cell, allowing for the transmission of signals.

Muscular Paralysis

The loss of muscle function in part of your body, typically resulting from damage to the nervous system.

Acetylcholine

A neurotransmitter in the nervous system that plays an important role in muscle activation and memory functions.

Neurotransmitter

A neurotransmitter is a chemical substance that transmits nerve impulses across a synapse from one neuron to another.