Across
- 3. Clumping of pathogens
- 5. Engulf pathogens by phagocytosis
- 7. Secrete large amounts of monoclonal antibody
- 9. Contain hydrolytic enzymes
- 10. Released by some bacteria
- 11. Produced by cytotoxic T cells
- 12. 3D folding of polypeptide chain
- 15. Example of an abnormal body cell
- 16. Chemical messengers produced by phagocytes and helper T cells
- 17. Remain in blood for secondary immune response
Down
- 1. More than one polypeptide chain
- 2. Precise fit between receptor and its specific antigen
- 4. Contains the pathogen in cytoplasm of phagocyte
- 6. Process by which activated T and B cells divide
- 8. Stimulates phagocytes and B cells
- 13. Found on the surface of a B cell
- 14. Foreign molecule