The Immune System Identifies and Eliminates Foreign Materials, Which Are

question 5

Multiple Choice

The immune system identifies and eliminates foreign materials, which are called .

• A) antigens
• B) mitogens
• C) lymphokines
• D) antibodies

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Definitions:

Carbon Compounds

Organic molecules that contain carbon atoms bonded to hydrogen, oxygen, nitrogen, or other elements.

3-Phenylpentan-3-ol

An organic compound characterized by a five-carbon chain with a phenyl group attached to the third carbon and an alcohol group on the same carbon.

Benzoic Acid

A simple aromatic carboxylic acid, its salts are used as food preservatives.

Propanoyl Chloride

An acyl chloride derived from propanoic acid, used in organic synthesis to introduce the propanoyl functional group.