A Secondary Immune Response Differs from a Primary Immune Response

question 13

Multiple Choice

A secondary immune response differs from a primary immune response in that the secondary response ________.

• A)produces helper T cells
• B)produces cytotoxic T cells
• C)produces effector cells
• D)produces memory cells

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Definitions:

Exports

Products or services that are shipped from one country to another for the purpose of sale or exchange.

Imports

Goods or services brought into a country from abroad for sale.

Variable Costs

Costs that change in proportion to the level of production or business activity, such as materials and labor.

Fixed Costs

Costs that do not change with the level of production or sales, such as rent, salaries, and insurance.