The Number of Major Histocompatibility (MHC) Protein Combinations Possible in a Given

question 17

Multiple Choice

The number of major histocompatibility (MHC) protein combinations possible in a given population is enormous. However, an individual in the population has a far more limited array of MHC molecules because ________.

• A) the MHC proteins are made from several different gene regions that are capable of rearranging in a number of ways
• B) MHC proteins from one individual can only be of class I or class II
• C) each of the MHC genes has a large number of alleles, but each individual only inherits two for each gene
• D) once a B cell has matured in the bone marrow, it is limited to two MHC response categories

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Definitions:

Marginal Product

The additional output that is produced by using one more unit of a specific input, holding the levels of all other inputs constant.

Nonlabor Resources

Nonlabor resources refer to the materials, capital, land, and technology used in the production of goods and services, distinct from human labor.

Output

The total amount of goods or services produced by a business, industry, or economy during a given period.

Average Total Costs

The total cost of production (fixed plus variable costs) divided by the total quantity of output, indicating the cost per unit of output.