What Is the Distinguishing Characteristic of What We Call Ordinary

question 52

Multiple Choice

What is the distinguishing characteristic of what we call ordinary or baryonic matter?

• A)It emits a great deal of light.
• B)It can attract other matter through the force of gravity.
• C)It is made of subatomic particles that scientists call WIMPs.
• D)It consists of atoms or ions with nuclei made from protons and neutrons.

---

Definitions:

Lymph Nodules

Lymph nodules are small, localized clusters of dense tissue found within the lymph system, important for immune responses and filtration of bodily fluids.

Small Intestinal Wall

The layered structure of the small intestine, consisting of mucosa, submucosa, muscularis, and serosa, facilitating nutrient absorption.

Cell-mediated Immunity

An immune response that does not involve antibodies but instead involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.

Intracellular Bacteria

Bacteria that live within the cells of a host organism, often causing disease.