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  • ___________ is a foreign material triggers antibody forma...
Multiple choice

___________ is a foreign material triggers antibody formation. They are proteins or polysaccharides.

  1. Humoral immune system

  2. Antibody

  3. Antigen

  4. Cell mediated immune system

  5. Infection

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Antigen is a foreign material triggers antibody formation. They are proteins or polysaccharides.

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