All of the following are actions of antibodies except

Question

Quizplus · Accepted Answer

Antibodies themselves do not perform phagocytosis, which is the process by which certain cells engulf and destroy foreign particles or microorganisms. However, antibodies can enhance phagocytosis by serving as opsonins, molecules that label foreign particles for phagocytosis by immune cells such as macrophages. The other actions listed (antigen agglutination and precipitation) involve the clumping or settling of antigens respectively, typically as a result of cross-linking by antibodies.

All of the Following Are Actions of Antibodies Except