单选题:关于动物细胞及组织培养的说法错误的是( )。 题目分类:初中生物 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: 关于动物细胞及组织培养的说法错误的是( )。 A.由于细胞培养中,细胞之间并非彼此独立而是在生命活动中相互依存,所以在某种程度上也像体内一样呈现一定的组织特性 B.动物组织培养过程中可以伴随组织分化 C.细胞系泛指可以无限传代的细胞,细胞株是具有特殊性质的细胞系 D.细胞克隆的最主要用途之一是从普通细胞系中分离出缺乏特殊基因的突变细胞系 参考答案: 答案解析:
Which of the following shows the proper pronunciation of th Which of the following shows the proper pronunciation of the segment "ten bike 分类:初中生物 题型:单选题 查看答案
Why aren't all bottles now made of polyester? Why aren't all bottles now made of polyester?A.The price of oil and plastic ha 分类:初中生物 题型:单选题 查看答案
Which of the following questions can be used in the questio Which of the following questions can be used in the questionnaire for assessing 分类:初中生物 题型:单选题 查看答案
请阅读短文,完成第题。 Several decades ago, the US sociologists went s 请阅读短文,完成第题。 Several decades ago, the US sociologists went so far as to develop 分类:初中生物 题型:单选题 查看答案
请阅读短文,完成第题。 When we analyze the salt salinity(盐溶度 ) of ocea 请阅读短文,完成第题。 When we analyze the salt salinity(盐溶度 ) of ocean waters, we find t 分类:初中生物 题型:单选题 查看答案