A secondary immune response differs from a primary immune response in that the secondary response ________.

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A secondary immune response produces memory cells, which are able to recognize and respond more quickly to a specific pathogen upon subsequent exposure. In contrast, a primary immune response involves the initial encounter with a pathogen and the development of effector cells to fight the infection. The production of helper T cells and cytotoxic T cells is a part of both primary and secondary immune responses, and is not a distinguishing factor between the two.

A Secondary Immune Response Differs from a Primary Immune Response