immune system

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…antigen - Identical descents are called clones - If your were immunized against the measles, it would take 7 to 14 days to reach maximum antibody levels after the initial exposure to a given antigen. This is the primary immune response - During Primary immune response, many stimulated B cells become long-lived memory cells, retaining the original specific antigen-binding capability - Antibody molecules serve two biological functions. - First they bind to a specific antigen - second