What Is a Cellular Telephone with a Keypad That Runs

question 35

Multiple Choice

What is a cellular telephone with a keypad that runs programs, music, photos, email, and includes many features of a PDA?

• A) Tablet
• B) PDA
• C) Ebook
• D) Smartphone

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Definitions:

Major Histocompatibility Complexes

A set of cell surface proteins important for the immune system to recognize foreign molecules, playing a critical role in antigen presentation.

T-cell Receptors

Molecules found on the surface of T-cells that are responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules.

Foreign Antigens

Substances that are recognized by the immune system as non-self, triggering an immune response.

Self-antigens

Antigens present on the body's own cells; usually tolerated by the immune system.