Question

what ia the antigen​

Answer 1

here's ur answer dude

In immunology, an antigen is a molecule or molecular structure, such as may be present at the outside of a pathogen, that can be bound by an antigen-specific antibody or B cell antigen receptor. The presence of antigens in the body normally triggers an immune response.

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Answer 2

a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.

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