Opsonins

... 10. Examples of arthropods are nits, houseflies and mosquitoes. Are these correct? Immune System 11. The lungs have surfactants, which as opsonins (substances that targets an antigen for an immune response) - is this true? 12. Are macrophages and phagocytes nautral killer cells? Wikipedia ...

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Antigens are attached to the surface of the bacteria. like igG and C3b (i think) Opsonins (the molecules involved in opsonization) see here: http://en.wikipedia.org/wiki/Opsonin http://www.cat.cc.md.us/courses/bio141/lecguide/unit3/humoral/abydefense/opsonization/opsonization.html ...

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