Which of the Following Statements Is Consistent with the Process

question 4

Multiple Choice

Which of the following statements is consistent with the process of clonal selection?

• A)The specificity of a lymphocyte antigen receptor changes to accommodate the structure of an antigen that binds to it.
• B)Many different antigen receptors with different specificities are expressed on each lymphocyte.
• C)Lymphocytes do not express antigen receptors on their cell surfaces until after exposure to antigen.
• D)The diversity of the lymphocyte repertoire for antigens is very small before exposure to antigen but increases significantly after antigen exposure.
• E)The diversity of the lymphocyte repertoire for antigens is very large before exposure to antigen,with millions of different clones of lymphocytes,each having a different specificity.

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Definitions:

Higher Margin Products

Refer to products that provide a greater return on sales than average, meaning they generate more profit per unit sold than other items.

Joint Costs

Joint costs occur when the production process or provision of services generates more than one type of product or output simultaneously, requiring cost allocation among outputs.

Split-off Point

The stage in a production process where different products become separately identifiable and their costs can be assigned individually.

Production Process

The sequence of operations or steps involved in producing a finished good or service from raw materials or components.