A-Level Biology OCR A
Antigen Antibody Complex Pathogens Toxins Describe Explain Ways Antibodies
| Front |
Describe and explain 4 ways in which antibodies defend the body. |
| Back |
Function of antibodies:
- Opsonins - antigen-antibody complex easily engulfed and digested by phagocytes
- Pathogens can no longer effectively invade host cells when they are part of antigen-antibody complex
- Agglutinins - cause pathogens carrying complexes to clump together - prevents them from spreading and easier to engulf multiple at same time
- Anti-toxins - make toxins harmless
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A-Level Biology OCR A