問題詳情

2. The individual credited with first observing the cell nucleus is________.
(A)Anton van Leeuwenhoek
(B)Robert Brown
(C)Matthias Schleiden
(D) Theodor Schwann
(E) Rudolf Virchow

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增