63.B細胞中抗體分子類型轉換(class switch)無法順利進行,而導致高IgM症候群(hyper-IgM syndrome),常是因為那一個基
因的缺損所致?
(A)terminal deoxynucleotidyl transferase(TdT)
(B)Bruton's tyrosine kinase(Btk)
(C)CD40 ligand(CD40L)
(D)recombination-activating gene(RAG)
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統計: A(43), B(40), C(308), D(72), E(0) #1621275
統計: A(43), B(40), C(308), D(72), E(0) #1621275