T Cells Differ from B Cells in Which of the Following

question 14

Multiple Choice

T cells differ from B cells in which of the following ways?

• A) T cells express surface immunoglobulin.
• B) B cells express CD19 but not CD3.
• C) T cells express CD19, CD3, and CD4.
• D) B cells express surface immunoglobulin and CD3.

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Definitions:

Metabolism

The set of life-sustaining chemical reactions in organisms, allowing for the growth, reproduction, maintenance of their structures, and response to environments.

Dual-Center Theory

The hypothesis that one area in the lateral hypothalamus is the “on” center, the initiator of eating, while another area in the ventromedial hypothalamus is the “off” center, the terminator of eating. Current evidence indicates that although these brain regions are crucial for eating, the regulation of eating also involves other circuits.

Lateral Region

An area situated at the side of an organ or structure within the body.

Hypothalamus

A small but crucial part of the brain's limbic system, involved in many functions, including hormone regulation, temperature control, and management of hunger and thirst.