What is the role of antibodies
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An antibody, also known as an immunoglobulin, is a large Y-shaped protein produced by B- cells and used by the immune system to identify and neutralize foreign objects such as bacteria and viruses. ... The base of the Y plays a role in modulating immune cell activity
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Antibodies are secreted into the blood and mucosa, where they bind to and inactivate foreign substances such as pathogens and toxins (neutralization). Antibodies activate the complement system to destroy bacterial cells by lysis (punching holes in the cell wall.
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