問題詳情
23.tEukaryotic cells have a nuclear envelope, mitochondria, endoplasmic reticulum, and other internal structures that prokaryotes lack. How did these eukaryotic features evolve from prokaryotic cells?
(A)tCytokinesis
(B)t Endosymbiosis
(C)tPaedomorphosis
(D)tBinary fission
參考答案
答案：B
統計：A:0,B:1,C:0,D:0,E:0
難度：計算中