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प्रश्न
What are antibodies?
विकल्प
Protective chemicals produced in response to antigens
Foreign substances that invade the body
Barriers that prevent entry of harmful agents
White blood cells that directly kill pathogens
MCQ
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उत्तर
Antibodies are protective chemicals produced by the immune system in response to antigens. These immunoglobulins bind to specific antigens to neutralize them, mark them for destruction, or prevent them from causing harm to the body.
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