试题与答案

某实验室做了下图所示的实验研究，下列相关叙述中正确的是（） A.与纤维母细胞相比，

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题型：单项选择题

题目：

某实验室做了下图所示的实验研究，下列相关叙述中正确的是（）

 

A.与纤维母细胞相比，经过程①形成的诱导干细胞的全能性较低

B.肝细胞、神经细胞、上皮细胞中基因组成相同，mRNA有的相同，有的不同

C.过程②是诱导干细胞的形态、结构和遗传物质发生稳定性差异的过程

D.上述细胞中具有细胞周期的是纤维母细胞、干细胞和神经细胞

答案：

参考答案：B

解析：干细胞的全能性较高；②过程是细胞分化，遗传物质不变；神经细胞是高度分化细胞，不能分裂。考点：本题考查细胞分化相关知识，意在考查考生理解所学知识要点，进行知识间联系。

考点：高中生物细胞的分化、癌变、衰老和凋亡细胞的分化、癌变、衰老和凋亡题库
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