Hemoglobin Contains Heme Groups That Allow It to Carry Oxygen

question 28

Multiple Choice

Hemoglobin contains heme groups that allow it to carry oxygen. How many oxygen molecules can one molecule of hemoglobin carry?

• A) One
• B) Two
• C) Four
• D) Eight

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Definitions:

Recession

A period of declining real GDP, accompanied by lower real income and higher unemployment.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices over a given period of time.

Income Elasticity

A measurement of how the demand for a good or service changes in response to changes in consumers' income levels.

Recession

A period of economic decline across an economy lasting more than a few months, typically visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.