Exam 2 Crossword Puzzle Study Guide

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Across
  1. 2. A ligand transmembrane protein expressed on NK cells, monocytes, neutrophils, and cytotoxic T cells
  2. 6. When our B and T cells learn to not react to our own bodies, it is called
  3. 10. a transmembrane protein on surface of virgin B cells
  4. 11. Small proteins that control growth and activity of immune system cells
Down
  1. 1. Kind of selection where tolerance to self is tested
  2. 3. Substance from a foreign body that causes the immune system to produce antibodies
  3. 4. System that produces lymphocytes within the body
  4. 5. what virgin t cells are exposed to in order to become regulatory T cells
  5. 7. Location in which cells are tested for self recognition and self-MHC molecules
  6. 8. a co-receptor that binds to class I MHC molecules
  7. 9. Kind of selection also known as MHC restriction
  8. 11. a co-receptor that binds to class II MHC molecules
  9. 12. Abbreviation for a kind of white blood cell that destroys infected cells