What is the role of B cell receptors (BCRs) and T cell receptors (TCRs) in the immune response?
A) to release chemicals which destroy pathogens
B) to recognize specific epitopes of an antigen
C) to combine with haptens so they can stimulate an immune response
D) to communicate with lymphocytes and other white blood cells
E) to release the cytokines needs for immune cell stimulation
Answer: B
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