9. 何謂質體？①是一種病毒DNA ②可作為重組DNA 之載體 ③是單股DNA ④ ②和③。

問題詳情

9. 何謂質體？①是一種病毒DNA ②可作為重組DNA 之載體 ③是單股DNA ④ ②和③。

參考答案

答案：B
難度：簡單0.833962
統計：A(0),B(221),C(1),D(43),E(0)

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