Which is not a step in the process of B cell activation by a T-dependent antigen?
A) binding of the antigen to the B cell receptor
B) binding of the antigen to a T helper cell receptor
C) interaction between co-stimulatory proteins on the B and T cells
D) release of cytokines by the T helper cell provide the second activation signal for the B cell
E) processing and displaying the antigen with MHC II on the B cell
Answer: B
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