Match the Antibody-Antigen Terms and the Appropriate Definition

Match the antibody-antigen terms and the appropriate definition. (Use each answer only once.)
-Avidity

A) Noncovalent combination of antigen with its respective specific antibody
B) Functional combining strength of an antibody with its antigen
C) Initial force of attraction that exists between a single Fab site on an antibody molecule and a single epitope on the corresponding antigen
D) A portion of antibodies directed against one type of antigen will also react with another type of antigen.
E) Ability of a particular antibody to combine with one antigen instead of another