A Molecule That Stimulates an Immune-System Reaction by B Cells

question 23

Multiple Choice

A molecule that stimulates an immune-system reaction by B cells and T cells is termed a(n)

• A) antibody.
• B) antigen.
• C) substrate.
• D) phagocyte.
• E) complement protein.

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Definitions:

Present Value

The present value of a future amount of money or series of cash flows, considering a particular return rate.

Interest Rate

The percentage of the principal charged by a lender for the use of its money or the rate at which interest is paid by a borrower for the use of money.

Consumes

The action of using up a good or service, typically resulting in a decrease in available quantity.

Consumption

The use of goods and services by households. It is an important component of GDP and a direct indicator of consumer spending behavior.