The Major Functions of the Plasma Membrane Do NOT Include

question 47

Multiple Choice

The major functions of the plasma membrane do NOT include

• A) separation of the fluid environments inside and outside the cell.
• B) regulation of molecules and ions that pass into and out of the cell.
• C) recognition and communication between different cells and tissues.
• D) maintaining connections between adjacent cells.
• E) production of proteins used in construction of the cell wall.

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Definitions:

Difference Threshold

The smallest amount by which a stimulus must be changed in order to notice that the change has occurred, also known as the just noticeable difference (JND).

Stimulus Level

The intensity of a stimulus which may influence the response it elicits from an organism or process.

Just Noticeable Difference

The smallest change in the intensity of a stimulus that can be detected.

Weber's Law

A principle in psychology stating that the just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus.