julieacelaEiluj6767 julieacelaEiluj6767 04-03-2024 Biology contestada Matching 1) IgG2) IgD3) IgM4) IgA A. accounts for about 10% of the immunoglobulin pool B. the major immunoglobulin in human serum C. has special features associated with secretory mucosal surfaces D. found in trace amounts in the serum