a protein molecule that the body identifies as foreign, triggering the immune response is a(n)\nantibody.\nan…

a protein molecule that the body identifies as foreign, triggering the immune response is a(n)\nantibody.\nantigen.\nthrombocyte.\nallergy.

a protein molecule that the body identifies as foreign, triggering the immune response is a(n)\nantibody.\nantigen.\nthrombocyte.\nallergy.

Answer

Brief Explanations:

Antigens are foreign - substances, often proteins, that trigger the immune response. Antibodies are produced by the immune system in response to antigens. Thrombocytes are blood cells involved in clotting. An allergy is a hypersensitive immune response.

Answer:

antigen