Question

question 18 1.67 pts antigens are membrane receptors on b - lymphocytes. something made by a white blood cell to destroy a pathogen. something that an antibody or t - lymphocyte binds to. disorders involving overactive immune systems.

Explanation:

Antigens are substances that can trigger an immune response. Antibodies and T - lymphocytes bind to antigens to initiate immune reactions. Membrane receptors on B - lymphocytes recognize antigens but are not antigens themselves. White blood cells make antibodies to destroy pathogens, not antigens. Disorders with overactive immune systems are not antigens.

Answer:

something that an antibody or T - lymphocyte binds to.