In precipitation tests, maximum precipitation takes place when

A) the amount of the antibody exceeds the amount of the antigen.
B) the amount of the antigen exceeds the amount of the antibody.
C) the amount of the antibody and the amount of the antigen are at optimal proportions.
D) a toxin is present.
E) a complex solution of many antibodies is used.


C
Bloom's Taxonomy: Comprehension
Section: Serologic Tests That Use Antigens and Corresponding Antibodies
Learning Outcome: 17.10

Biology & Microbiology

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