"Intra-" Has a Similar Meaning To

question 33

Multiple Choice

"Intra-" has a similar meaning to:

• A) infra-.
• B) inter-.
• C) peri-.
• D) endo-.

---

Definitions:

B Receptor

A protein located on the surface of cells that binds to specific molecules like hormones, often involved in signaling pathways. If "B Receptor" is a typographical error for a known type of receptor like "beta receptors," then: NO.

MHC Class I

MHC Class I molecules are proteins on the surface of cells that present peptide fragments to the immune system, crucial for the recognition of foreign pathogens.

Foreign Antigen

A substance from outside the body that triggers an immune response when detected by the body's immune system.

Immune System

The immune system is the body's defense mechanism against pathogens, consisting of a network of cells, tissues, and organs that work together to protect the body from disease.