3. Human IgM antiserum Reacts with IgM, IgG, IgA, IgD, IgE React with IgG, IgA, IgD and IgE Absorbed antiserum Reacts only with IgM Recognizes determinants specific for heavy chains (isotypes) Immunoglobulin Isotypes ?? ?? ??
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11. DNP-BSA Strain A Mouse Anti-DNP Ab Purified anti-DNP Ab Strain A Mouse Ab against combining site of anti-DNP Ab ?? Immunoglobulin Idiotypes Antigenic determinants created by the HVR = Idiotypes
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14. Ag Id anti-Id + - anti-anti-Id + - Regulation by Id/anti-Id