. A complete IgG molecule contains A. Two antigen-binding regions B. A hinge region between the variable domain and the first constant domain of the heavy chain C. One κ light chain and one λ light...

. A complete IgG molecule contains A. Two antigen-binding regions B. A hinge region between the variable domain and the first constant domain of the heavy chain C. One κ light chain and one λ light chain D. A J chain E. Disulfide bonds between the two light chains