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【简答题】
端粒(telomere)
题目标签:
端粒
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相关题库:
细胞生物学题库
参考答案:
参考解析:
刷刷题刷刷变学霸
举一反三
【单选题】有关端粒的叙述中,不正确的是()。
A.
由重复序列组成
B.
在正常体细胞中,新合成DNA链的端粒不会变短
C.
其长度决定细胞分裂次数,被称为有丝分裂计时器
D.
肿瘤细胞可以“永生”,关键在于其可以表达端粒酶
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【简答题】()中含有特殊的DNA端粒序列和独特的端粒酶。
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【简答题】Those baby-faced people now have another reason to be smug (自鸣得意的 ): a new Danish study says looking young (47) means a longer life. Research suggests that people who look younger than their years a...
查看完整题目与答案
【简答题】Those baby-faced people now have another reason to be smug (自鸣得意的 ): a new Danish study says looking young (47) means a longer life. Research suggests that people who look younger than their years a...
查看完整题目与答案
【简答题】端粒( telomere )与端粒酶( telomerase )
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【单选题】参与端粒合成的酶是
A.
限制性内切酶
B.
RNA聚合酶
C.
核酶
D.
逆转录酶
本题为单选题,求解答,谢谢!
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【简答题】什么是衰老的端粒假说?
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【单选题】端粒存在于( )。
A.
细胞质中
B.
中心体
C.
线粒体上
D.
染色体上
查看完整题目与答案
【简答题】Those baby-faced people now have another reason to be smug (自鸣得意的 ): a new Danish study says looking young (47) means a longer life. Research suggests that people who look younger than their years a...
查看完整题目与答案
【单选题】参与端粒合成的酶是
A.
限制性内切酶
B.
RNA聚合酶
C.
核酶
D.
逆转录酶
查看完整题目与答案