Within the body, a B cell with a specific antibody can undergo clonal expansion (make many copies of itself) in the absence of antigen.

A.	True
B.	False B cells can only proliferate and make a strong immune response if helper T cells give activation signals. Without the helper T cells, B cells can response only to a limited number of antigens, usually those with repeating structures suck as a bacterial cell wall polysaccharide.