1.IgG重鏈(heavy chain)分子量為多少Da?
(A)22,000
(B)50,000
(C)150,000
(D)900,000
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統計: A(64), B(581), C(501), D(60), E(0) #781191
統計: A(64), B(581), C(501), D(60), E(0) #781191