皮皮学，免费搜题
登录
搜题
【单选题】
下列有关干细胞和细胞全能性的表述,正确的是( )A.
植物的成熟体细胞比动物的成熟体细胞更容易实现全能性
B.
哺乳动物的成熟体细胞不具有全能性
C.
干细胞就是体外培养条件下容易实现全能性的细胞
D.
在生物体内，细胞并没有表现出全能性的原因是细胞核遗传物质改变
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列运算正确的是 [ ]
A.
a 2 +a 2 =2a 4
B.
a 2 a 4 =2a 8
C.
（﹣3a 2 b 3 ） 2 =6a 4 b 6
D.
a 6 ÷a 3 =a 3 （a≠0）
【单选题】根据套利者对相关合约中价格较高的一边的买卖方向不同，期货价差套利可分为（ ）。
A.
正向套利和反向套利
B.
牛市套利和熊市套利
C.
买入套利和卖出套利
D.
价差套利和期限套利
【单选题】Surprisingly, Susan’s beautiful hair reached below her knees and made _____ almost an overcoat for her.
A.
them
B.
her
C.
itself
D.
herself
【简答题】完形填空。 The passengers on the bus watched with sympathy as Susan made her way carefully up the steps. She paid the driver and then, using her hands to 1 the seats, settled in one of them. It had been a ...
【简答题】完形填空。 The passengers on the bus watched with sympathy as Susan made her way carefully up the steps. She paid the driver and then, using her hands to__1__the seats, settled in one of them. It had been ...
【单选题】Surprisingly，Susan's beautiful hair reached below her knees and made ________ almost an overcoat for her.(2011·安徽)
A.
them
B.
her
C.
itself
D.
herself
【简答题】完形填空 The passengers on the bus watched with sympathy as Susan made her way carefully，up the steps. She paid the driver and then, using her hands to 1 the seats，settled in one of them. It had been a ye...
【简答题】计算：（2a 3 b 2 ﹣4a 4 b 3 +6a 5 b 4 ）÷（﹣2a 3 b 2 ）．
相关题目：