14. B cell receptors (BCRs) are antigen receptors of B cells. Which statement regarding BCRs is NOT CORRECT?
(A) BCRs are surface immunoglobulin composed of 2 heavy and 2 light chains
(B) BCR gene segments are rearranged beginning from the light chain gene during B cell development
(C) Each B cells express BCRs of different specificity
(D) The Fab structure of BCRs is able to bind antigens
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統計: 尚無統計資料
統計: 尚無統計資料