Simple Diffusion of Molecules Occurs

question 55

Multiple Choice

Simple diffusion of molecules occurs

• A) from an area of lesser concentration to an area of greater concentration.
• B) in nonliving systems as well as living systems.
• C) across plasma membranes only through transport proteins.
• D) until those molecules are more highly concentrated on one side of the plasma membrane.
• E) only in molecules that are in a gaseous state.

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Definitions:

High-low Method

A technique used in accounting and finance to estimate the variable and fixed components of a company's costs based on the highest and lowest levels of activity.

Total Fixed Costs

The sum of all expenses that remain constant regardless of the level of production or business activity.

Productive Month

A period in which there is a high level of output or work accomplishment, often measured in terms of productivity metrics in a business context.

Fixed Cost

Expenses that do not change with the volume of production or business activity, such as rent, salaries, and insurance premiums.