Cytotoxic T Cells Contain What Type of Molecules That Punch

question 49

Multiple Choice

Cytotoxic T cells contain what type of molecules that punch holes in the plasma membranes of potential pathogens?

• A)steroid
• B)interferon
• C)antioxidant
• D)complement
• E)perforin

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Definitions:

Artesian

Groundwater that is in a confined aquifer and is under enough water pressure to rise above the level of the aquifer.

Water Table

The water table is the upper level of an underground surface in which the soil or rocks are permanently saturated with water, delineating the boundary between the aquifer's unsaturated zone and saturated zone.

Topography

The arrangement of the natural and artificial physical features of an area, including its relief and the position of its features.

Artesian Well

A well tapping a confined aquifer, where the water pressure is sufficient to bring the water to the surface without pumping.