polystyrene particles are biodegradable

Toll like receptor 1,2,6 bind to

TLR 3,7,8,9 are

TLR 4 is

TLR 5 bind to

TLR 4 bind to

MHCI bind to

MHC I molecules are expressed on most nucleated cell that bind peptides and present them to_____ cell

Each antibody has a "Y" shaped molecule consists of

Prevent Ag from entering or damaging cells by bind it to form a
precipitate which can be easily phagocytosed .It occurs in toxins

Only isotype that crosses the placenta (provides infants with passive
immunity that starts to wane after birth).

IgA1 found in the

lgA protease is an enzyme produced by

Selective ____ deficiency ,Most commonly these patients are asymptomatic, but classically this immunodeficiency predisposes to recurrent sinopulmonary and GI tract infections

Contributes to immunity to parasites (intestinal worms) by activating eosinophils.

Binds mast cells and basophils; cross-links when exposed to allergen

Unclear function.
Found on surface of many B cells and in serum.

Direct microbial killing (cell lysis)

Opsonization and Clearance of immune complexes