The diagrams illustrate three distinct antibody structures. IgG IgA IgM Which row is the correct one?
- AIgG: one binding site for an antigen molecule; IgA: two light chains; IgM: two heavy chains
- BIgG: two heavy chains; IgA: four binding sites for antigen molecules; IgM: five hinge regions
- CIgG: two hinge regions; IgA: four heavy chains; IgM: five light chains
- DIgG: two light chains; IgA: four hinge regions; IgM: ten binding sites for antigen molecules