1.IgG的分子量為多少Da?
(A)25,000
(B)50,000
(C)150,000
(D)900,000
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統計: A(160), B(210), C(1552), D(102), E(0) #1741102
統計: A(160), B(210), C(1552), D(102), E(0) #1741102