Hemoglobin F

question 48

Multiple Choice

Hemoglobin F

• A)has a lower affinity for oxygen than hemoglobin A.
• B)contains two alpha and two gamma chains.
• C)binds large amounts of 2,3-DPG.
• D)is increased in sickle-cell anemia.

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Definitions:

Perceptual Map

A visual representation that displays consumers’ perceptions of a brand or product in relation to others within the marketplace.

Variable Costs

Costs that vary directly with the level of production or the volume of services rendered, such as materials and labor.

Fixed Costs

Expenses that do not change with the level of goods or services produced by a business.

Profit

The financial gain realized when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.