What Is the Purpose of the Plasma Membrane

question 110

Multiple Choice

What is the purpose of the plasma membrane?

• A)It acts as a boundary, but also lets molecules in and out.
• B)It acts as a cell wall to give the cell structure and support.
• C)It keeps water in the cell to keep it from dehydrating.
• D)It stores the genetic material of the cell.
• E)none of the above

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Definitions:

John Maynard Keynes

A British economist whose theories on the causes of prolonged unemployment and recommendations for government intervention in economies to stimulate demand and growth form the basis of Keynesian economics.

Adam Smith

An 18th-century Scottish economist and philosopher, best known for his works "The Wealth of Nations," which lays the foundations of classical economics.

Karl Marx

A 19th-century philosopher, economist, and political theorist known for his critical theories about capitalism and his influence on the development of socialist economic and political theory.

Classical Economists

Early economic theorists, primarily in the 18th and 19th centuries, who focused on the role of free markets in promoting economic growth and believed in minimal government intervention.