It Is Estimated That Roughly ________ or More of All

question 38

Multiple Choice

It is estimated that roughly ________ or more of all material dumped at sea is dredged material from ports and waterways.

• A) 10 percent
• B) 25 percent
• C) 35 percent
• D) 50 percent
• E) 75 percent

---

Definitions:

Epitopes

Specific parts of an antigen that are recognized by the immune system, specifically by antibodies, B cells, or T cells.

Lymphocytes

A subtype of white blood cells involved in the immune response, including B cells, T cells, and natural killer cells.

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.