Practice question
Question
Opsonin is the
Explanation
Opsonins are serum proteins such as IgG and complement C3b that coat pathogens, enhancing phagocytosis via Fc and complement receptors. They act as bridges between microbe and phagocyte, increasing efficiency of clearance. Present in serum, not cell wall or cytoplasmic compartments.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.