問題詳情

47 “Viral vectors” are _____ .
(A) ways with which viruses genomes are changed
(B) viruses used for carrying genetic material into cells
(C) the paths through which viruses move
(D) immune reactions triggered by viral infection

參考答案

答案:B
難度:適中0.539568
統計:A(19),B(75),C(17),D(14),E(0)

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