The Molecules in the Plasma Membrane That Serve as Receptors

question 119

Multiple Choice

The molecules in the plasma membrane that serve as receptors for other molecules are the

• A) phospholipid molecules
• B) cholesterol molecules
• C) protein molecules
• D) all of the above

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Definitions:

Stimulus Strength

The intensity of a stimulus, which can influence the magnitude of response in sensory and other physiological systems.

Resting Membrane Potential

The electrical potential difference across the plasma membrane when a cell is in an unstimulated condition.

Na+

Sodium ions, essential electrolytes in the body that play critical roles in nerve function, muscle contraction, and fluid balance.

ECF

Extracellular fluid, which is the body fluid outside the cells, playing a critical role in transporting nutrients and removing waste.