Equivalence occurs when the?
a. prozone has been passed, more antibody has been added, and the largest complexes form
b. antibody-binding sites approximately equal the antigen-binding sites, and the largest complexes form
c. postzone has been passed, more antigen has been added, and the largest complexes form
d. antibody-binding sites approximately equal twice the antigen-binding sites, and the largest complexes form
Ans: a. antibody-binding sites approximately equal the antigen-binding sites, and the largest complexes form
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