BHS 316 Chapter 1

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Across
  1. 2. B cell receptors (BCRs) grab onto this when the are 'fishing'
  2. 5. Fragments of viral proteins that are on MHC I molecules
  3. 14. Cells that make Class II MHC molecules
  4. 15. Process in which bacteria is taken in and broken down
  5. 16. Secondary lymphoid organ
  6. 17. Agent that caused antibodies to be made
  7. 19. Determines the class of antibody and how it will function
  8. 21. MHC molecule that function as billboards to inform the Killer T cell what is going on
  9. 24. Antibody factories
  10. 25. MHC molecule that helps Helper T cells
  11. 26. T cell that keeps immune system from overreacting
  12. 27. Term used when antibodies tag invaders for elimination
  13. 29. Third line of defense; also observed by Edward Jenner
  14. 30. How the immune system knows which B cells to make more of
  15. 31. Term to refer to how blood stem cells grow and divide into two daughter cells
Down
  1. 1. Circulate in the blood of immunized individuals
  2. 3. Macrophages used these to communicate
  3. 4. Leftover B and T cells
  4. 6. DNA bases being added or deleted
  5. 7. Immature macrophage
  6. 8. Vesicle that is used by macrophage
  7. 9. Another name for Killer T cells
  8. 10. Contain enzymes that can destroy bacteria
  9. 11. (This is the abbreviation, three letters) Proteins that help 'present' the invader
  10. 12. B and T cells are referred to by this term
  11. 13. Second line of defense
  12. 18. T cell that destroys virus-infected cells
  13. 20. White blood cell that kills bacteria
  14. 22. VDJC
  15. 23. T cell that directs the action of cytokines
  16. 28. Term used when B cells are triggered to double in size and make two daughter cells