Cytotoxic T Cells

question 6

Multiple Choice

Cytotoxic T cells

• A) release cytokines that activate B cells.
• B) attack pathogens by binding to cell surface antigens on those pathogens.
• C) destroy pathogens by lysing them.
• D) destroy host cells that are infected with virus.
• E) stimulate the classical complement pathway.

---

Definitions:

Cacti

Desert plants known for their ability to store water, typically having thickened, fleshy parts adapted to conserve water and covered with spines for protection.

Plankton

Freshwater and marine organisms that are suspended on or near the surface of the water; includes phytoplankton and zooplankton.

Microscopic Organisms

Tiny living organisms, such as bacteria, viruses, protozoa, and some algae and fungi, that can only be seen with the aid of a microscope.

Freshwater

Water containing minimal amounts of dissolved salts, found in rivers, lakes, and streams.