What Is the Primary Function of a Cell Membrane

question 9

Multiple Choice

What is the primary function of a cell membrane?

• A) recognizing other cells as being "like"
• B) controlling the transport of substances into and out of cells
• C) recognizing chemical signals from other cells
• D) cell-cell binding

---

Definitions:

Increased-Domestic-Employment

A situation where the number of jobs within a country rises, often as a result of economic growth or policies.

Net Exports

The value of a country's total exports minus the value of its total imports; it can be a positive number (trade surplus) or a negative number (trade deficit).

Wage Rates

The standardized amount of payment given to employees for their services, usually expressed per hour or per annum.

Labor Productivity

The quantity of goods and services that a worker produces in a given amount of time.