阿摩線上測驗
20. Which one of the following properties is the feature of B-1 cells?
(A) IL-7 dependent
(B) Main secretion is IgM and first produced at fetus
(C) Mode of renewal is long-lived
(D) Primary location is spleen
(E) Somatic hypermutation is high.
答案：登入後查看
統計： A(0), B(0), C(0), D(0), E(1) #3207881
統計： A(0), B(0), C(0), D(0), E(1) #3207881
