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17-08-2019
Biology

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Main antibody of both primary and secondary immune response. Protects mucosal barriers. Involved in allergies. Along with IgM, this is a B cell receptor. Activates complement. A. IgG B. IgE C. IgM D. IgD E. IgA

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21-08-2019

Answer: A. IgG

Explanation:

Immunoglobulin G or IgG is a kind of antibody which shows both primary and secondary immune response. It is present in 75% of human serum. It is a common type of antibody in human blood circulation. It is released by the plasma B cells. It protects the mucosal barriers and it is also involved in the allergic response. It exhibit two antigen binding sites.

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