Which of the following does not characterize immunological memory? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a. The host retains the capacity to mount a secondary immune response. b. The host retains the ability to respond to pathogen many years after primary exposure. c. Memory T cells are activated more quickly when exposed to pathogen. d. Memory B cells produce higher-affinity antibody than naive B cells. e. Memory T cells undergo somatic hypermutation.