Principles of Immunology, Exam 1 Review

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Across
  1. 2. Chemicals that recruit other immune system cells to site of infection
  2. 4. Mainly produced by helper T cells and natural killer cells
  3. 5. Short-lived phagocyte
  4. 9. Special proteins that flow through the blood of immunized individuals
  5. 10. Type of T cell that prevents the overreaction of the immune system
  6. 13. Mixing and matching different B cell receptors
  7. 14. The most class of antibody in the blood
  8. 15. Doubling of daughter cells
  9. 16. C3a and C5a (contribute to anaphylactic shock)
  10. 17. Defense system that can adapt to protect against invaders
Down
  1. 1. Composed of about 20 different proteins that destroy invaders and send signals to other immune cells
  2. 3. Antibodies that bind to a virus while outside the cell
  3. 6. How immune cells recognize signals associated with microbial attack
  4. 7. Proteins that present antigens
  5. 8. Adding/Removing additional DNA bases to the light chain of the antibody molecule
  6. 11. Immunological defense system that all animals have
  7. 12. Constant region of an antibody that binds to receptors on cell surfaces