A primary focus forms after a circulating naive B cell forms a conjugate pair with _____ in the _____ of a lymph node.
A) TH1 cell; B-cell zone
B) cytotoxic T cell; T-cell zone
C) follicular dendritic cell; germinal center
D) TFH; medullary cords
E) CD40 ligand; T-cell zone.
Correct Answer:
Verified
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