Summary of What are Antibodies | Health | Biology | FuseSchool

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Antibodies are proteins that are important for the immune system. They circulate in the bloodstream and can appear anywhere in the body. Antigens are foreign substances that can trigger an immune response. Two identical binding sites on antibodies means that any given antibody can bind simultaneously to two identical antigens. This enormous diversity of antibodies allows the immune system to recognize an equally diverse range of antigens.

• 00:00:00 Antibodies are proteins that are important for the immune system. They circulate in the bloodstream and can appear anywhere in the body. Antigens are foreign substances that can trigger an immune response. Two identical binding sites on antibodies means that any given antibody can bind simultaneously to two identical antigens. This enormous diversity of antibodies allows the immune system to recognize an equally diverse range of antigens. Antibodies can be cloned in laboratories to discover how and why they work.