Antigens are large molecules (such as proteins, carbohydrates, or lipids) that are foreign to the body and can stimulate the immune system to produce an immune response, including the production of antibodies. B, C, and D do not accurately describe antigens.

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Antigens Are

Question 38

Multiple Choice

Antigens are

A) large molecules that activate the immune system.
B) enzymes within the body that attack invading organisms.
C) chemical barriers that surround uninfected cells.
D) cells that bind to antibodies,inactivate them,and mark them for destruction by killer cells.

Correct Answer: