B cells respond to the initial antigen challenge by ________.
A. reducing its size
B. immediately producing antigen-specific antibodies
C. forming of a large number of cells that are unlike the original B cell
D. producing progeny cells that include plasma cells and memory cells
Answer:D
B cells respond to the initial antigen challenge by ________.
A. reducing its size B. immediately producing antigen-specific antibodies C. forming of a large number of cells that are unlike the original B cell D. producing progeny cells that include plasma cells and memory cells