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

question 35

Multiple Choice

The number of major histocompatibility (MHC) protein isoforms possible in a given human population is enormous. However, each individual has a 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 inherits only two for each gene
• D) once a B cell has matured in the bone marrow, it is limited to two MHC response categories
• E) once a T cell has matured in the thymus, it can only respond to two MHC categories

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Definitions:

Compensating Balance

A minimum account balance that a firm agrees to maintain in a bank account, often used to secure a loan or line of credit.

Accounts Payable

Short-term liabilities representing amounts owed by a company to suppliers or creditors for goods and services received but not yet paid for.

Factoring

A financial transaction and a type of debtor finance where a business sells its accounts receivable to a third party (the factor) at a discount.

Net Working Capital

measures a company's short-term financial health by subtracting its current liabilities from its current assets, indicating the liquidity available to fund day-to-day operations.