无核受精卵不卵裂或最多无序分裂细胞分化,原因是()。 A.细胞质因素 B.细胞核因素 发布时间:2018-09-02 19:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 无核受精卵不卵裂或最多无序分裂细胞分化,原因是()。A.细胞质因素B.细胞核因素C.胚胎诱导D.分化E.去分化
题型:单项选择题 打打小补丁哟!补全下列对话。A: Judy, did you finish your homework?B: 小题1: . But I’m so tired. Let’s relax. What’s your hobby?A: 小题2: B: Really? What do you collect?A: I collect stamps and coins.B: 小题3: A: And you? What do you usually do in your spare time?B: 小题4: I started playing it when I was four.A: Oh, great! 小题5: B: OK. 查看答案