Stem Cells

question 30

Multiple Choice

Stem cells

• A) can only come from a fertilized egg.
• B) are predesignated to become a particular type of cell.
• C) cannot be collected because they are too difficult to isolate.
• D) can become any type of cell given the proper signal.
• E) can only come from one source.

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Definitions:

Economic Growth Rate

A measure of the increase in an economy’s output, typically expressed as a percentage increase in real gross domestic product (GDP) over time.

Recessions

Short-lived economic contractions characterized by a downturn in trading and industrial output, consistently identified by a decline in GDP for two successive quarters

Civil War

A conflict between different factions or regions within the same country, often for political power, territorial control, or cultural differences.

Transcontinental Railroads

Railroads that span a continent, historically significant in promoting trade, travel, and settlement across vast distances.