创建自己的小题库
搜索
【单选题】
“多利”羊的基因组，全都来自一个单亲。研究人员先将一个绵羊卵细胞中的细胞核吸出去，使其变成没有细胞核的细胞，取一只6岁的母羊身上的一个___，将其中的细胞核注入到没有细胞核的卵细胞中，就发育成了多利。
A.
体细胞
B.
乳腺细胞
C.
卵细胞
D.
干细胞
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈
收藏
举报参考答案：
举一反三
【单选题】Passage Two In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faste...
A.
die economic realities of its practicality
B.
robust economic growth
C.
economic problems of hi-tech companies
D.
ignorance of the technology
相关题目：
【单选题】Passage Two In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faste...
A.
die economic realities of its practicality
B.
robust economic growth
C.
economic problems of hi-tech companies
D.
ignorance of the technology
参考解析：
AI解析
重新生成
题目纠错 0
发布
