The secondary response in humoral immunity occurs when memory cells bind to ______.

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Memory cells bind to antigens in order to initiate a secondary response. Antigens are the molecules recognized by the immune system as foreign and stimulate an immune response. Antibodies are produced in response to the presence of antigens and plasma cells are the cells that produce antibodies. Complement proteins are part of the innate immune response and serve to activate and coordinate the immune response.

The Secondary Response in Humoral Immunity Occurs When Memory Cells