If,during Development,none of the KIRs Expressed by a NK Cell

question 24

Multiple Choice

If,during development,none of the KIRs expressed by a NK cell are able to interact with self-MHC class I molecules,then the NK cell retains expression of _____.

• A)LILRBI
• B)KIR2DL1
• C)KIR2DL2/3
• D)KIR3DL1
• E)CD94:NKG2A.

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Definitions:

Lichens

Symbiotic organisms composed of a fungus and a photosynthetic partner, often an alga or cyanobacterium.

Photochemical Oxidant

Chemical compounds formed by the reaction between sunlight and pollutants like hydrocarbons and nitrogen oxides, contributing to air pollution and smog.

Ozone

A molecule composed of three oxygen atoms, found in the Earth's stratosphere, where it absorbs and protects against harmful ultraviolet radiation.

Radon-222

A naturally occurring radioactive gas produced by the decay of uranium in the Earth's crust, known for its health risks, particularly lung cancer, when accumulated in buildings.