Which of the following statements is false?
a. Only B cells and their progeny make antibodies.
b. The primary immune response is faster and more
complete than a secondary immune response.
c. Naive B cells already have antibodies but have
not yet encountered an antigen.
d. Macrophages will digest invading bacterial cells
but do not destroy the antigens that eventually
become mounted on their surfaces.
e. B cell progeny may differentiate into memory
cells.
Answer: b
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