TRUE about immunoglobulins is :
IgE fixes complements
IgM fixes complements.
IgG is found in minimum concentration.
IgG is elevated in primary immune response.
Ans. is 'b' i.e. IgM Fixes complement. Important facts about Immuno globinsImmunoglobulin to fix complements via classical pathway - IgG & IgM (IgM- IgG)*Immunoglobulin to fix complements via Alternate pathway - IgA & IgD*Immunoglobulin with ,maximum serum cone -IgG*Immunoglobulin with minimum serum cone -IgE*Heat Labile Immunoglobulin -IgE*Immunoglobulin in primary immune response -IgM*Immunoglobulin in 2ndary immune response -IgG*Immunoglobulin with maximum molecular weight -IgM*Immunoglobulin present in milk - IgA & IgG*Immunoglobulin with maximum sedimentation coefficient -IgM*Immunoglobulin with shortest 1/2 life -IgE*Immunoglobulin in sero mucinous Glands -IgG & IgA*Ig resp. for hypersensitive pneumonitis -Ig G*Ig mediating the Prausnitz Kustner reaction -Ig E*Homo cytotropism is seen in which Ig -Ig E*
Immunology