The General Functions of the Plasmalemma Include

question 40

Multiple Choice

The general functions of the plasmalemma include

• A)physical isolation of the cell contents from the extracellular fluid.
• B)regulation of exchange of materials with the environment.
• C)sensitivity to changes in the extracellular fluid.
• D)structural support of the cell.
• E)All of the answers are correct.

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Definitions:

Total Quantity Demanded

The sum of all individual quantities of a good or service demanded at a given price level within a specified period.

Public Good

A product that is non-excludable and non-rivalrous in consumption, meaning its use by one individual does not reduce its availability to others.

Excludability

A characteristic of a good or service that allows owners or producers to prevent others from using it without permission.

Marginal-cost-marginal-benefit Rule

A principle suggesting that optimal decision making involves continuing an activity until the additional benefits no longer exceed the additional costs.