Chapt 13 adaptive immunity

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Across
  1. 3. is the part of the antigen that binds to the antigen receptor
  2. 6. region is the the tips of the chain
  3. 8. B cell activation involves T cell stimulation
  4. 9. B cells mature in bone _____
  5. 11. consists of two different polypeptide chains called alpha and beta
  6. 12. T cells recognize antigens presented via MHC II and also express CD4
  7. 13. T cells mature in the _____
  8. 16. acquired immunity vertebrae’s only
  9. 17. T cells recognize antigens presented presented via MHC I and Express CD 8
  10. 18. single B cell Andy cell receptors are all identical
Down
  1. 1. adaptive immunity has a ___response
  2. 2. each BCR is a Y shaped _____molecule
  3. 4. key player of adaptive acquired immunity
  4. 5. cells actively secret antibodies
  5. 7. are substances that can elicit a response from B or T cell
  6. 10. T cells recognize antigens presented presented presented via MHC II or MHC I and express CD4 or CD8
  7. 14. cells record information to fight pathogen if it comes back
  8. 15. stimulates a primary response and a memory response to a pathogen