The Theory That Lymphocytes Are Preprogrammed to Respond to a Particular

question 16

Multiple Choice

The theory that lymphocytes are preprogrammed to respond to a particular type of antigen best describes:

• A) the clonal selection theory.
• B) Ehrlich's side-chain theory.
• C) the spontaneous generation theory.
• D) Edelman's antibody-formation theory.

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Definitions:

Benedict's Test

A chemical test used to detect reducing sugars by turning a range of colors when heated with a sample.

Colorimetric Tests

Analytical techniques that determine the concentration of substances by measuring the intensity of color produced from chemical reactions.

Plant Pigments

Natural compounds produced by plants that absorb specific wavelengths of light and give plants their color.

Sodium Ion

A positively charged ion formed when sodium loses one electron, playing crucial roles in nerve impulse transmission and fluid balance in the body.