Immunological memory is due to
A. short lived macrophage that can recognize specific pathogens
B. long lived B cells that secrete a specific antibody
C. long lived B cells that secrete a specific antigen
D. short lived helper T cells that signal macrophage to divide
Answer:B
Immunological memory is due to
A. short lived macrophage that can recognize specific pathogens B. long lived B cells that secrete a specific antibody C. long lived B cells that secrete a specific antigen D. short lived helper T cells that signal macrophage to divide