Host Defenses II- adaptive defenses & immunization chp. 13

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Across
  1. 3. recognize antigen presented Via MHCII or MHCI and express CD4 or CD8
  2. 4. "Y-Shaped" protein molecule with two identical heavy chains and two identical light chains
  3. 5. stimulate a primary response and a memory response to pathogen
  4. 8. "record" information to fight pathogen if it comes back
  5. 9. antibodies defend against infection in body fluids
  6. 11. Have t cell receptors TCRs
  7. 13. unlike innate immunity, it can induce memory cells to fight the infection if it comes back
  8. 14. are substances that can elicit a response from a b or t cell.
  9. 15. a person is given antibodies rather than producing them
  10. 16. these are the key players of adaptive (acquired) immunity
Down
  1. 1. actively secrete antibodies
  2. 2. Recognize antigen presented via MHCII and express CD4
  3. 6. recognize antigen present via MHC l and express CD8
  4. 7. have antibody receptors BCRs
  5. 10. whole organism vaccines
  6. 12. exposure to a pathogen triggers antibody production