The process by which the antibody reacts with the antigen and clumps the bacteria together is called agglutination. Each antibody has two antigen binding sites. So each antibody blocks two antigens. It then binds and engulfs the antigen.
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The process by which the antibody reacts with the antigen and clumps the bacteria together is called agglutination. Each antibody has two antigen binding sites. So each antibody blocks two antigens. It then binds and engulfs the antigen.