In precipitation tests, maximum precipitation takes place when
A) the amount of the antigen exceeds the amount of the antibody.
B) a toxin is present.
C) the amount of the antibody exceeds the amount of the antigen.
D) a complex solution of many antibodies is used.
E) the amount of the antibody and the amount of the antigen are at optimal proportions.

Question

Quizplus · Accepted Answer

Maximum precipitation occurs when the antigen and antibody are at optimal proportions, known as the equivalence point, where the formation of large, insoluble complexes is maximized.

In Precipitation Tests, Maximum Precipitation Takes Place When