What Is the Principle of the Flocculation Test

question 40

Multiple Choice

What is the principle of the flocculation test?

• A) The antigen is incorporated into the agar and the test wells hold the antibody. The antibody and antigen combine at a specific concentration and produce a zone of equivalence.
• B) Antibodies are mixed with a labeled antigen, and a sandwich reaction occurs.
• C) Antibodies and antigens combine then precipitate out of a solution to the bottom of the tube.
• D) The antigen-antibody reaction forms a macroscopically visible clump that remains in solution.

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