BHS 316 Exam Review 2

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Across
  1. 4. _____ is when a T cell is activated through two separate signals.
  2. 7. When a cell is _____ it looks like a normal cell but is not able to perform.
  3. 8. MHC II molecules display _____ proteins that come from outside of the cell.
  4. 10. IL-12 is an example of a _____.
  5. 13. _____ are cytokines that direct cell traffic in lymph nodes.
  6. 16. An antigen on an antigen presenting cell will plug into a _____ _____ _____ on a helper T cell.
  7. 17. Also known as "self eating"
  8. 18. A cell can die by apoptosis and _____.
Down
  1. 1. _____ is a protein that functions in drilling holes in the cell membrane.
  2. 2. Cells that express CD4 and CD8 proteins are _____ positive cells.
  3. 3. The _____ ligand assists with cell death by apoptosis.
  4. 5. The _____ _____ ensures that class II MHC molecules do not pick up endogenous proteins.
  5. 6. After helper T cells and killer T cells have been activated they are classified as _____ cells.
  6. 9. CD4 and CD8 are examples of _____ molecules.
  7. 11. MHC I molecules display _____ protein fragments that are manufactured inside the cell.
  8. 12. The central region of the thymus is called the _____.
  9. 14. All secondary lymphoid organs contain _____ follicles.
  10. 15. _____ selection is a process that tests for MHC restriction on T cells.