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【单选题】
有关线粒体DNA特殊的特点,下列说法不正确的是:
A.
对于异质性的mtDNA突变,细胞可以承受一定程度的mtDNA减少,直到达到一定阈值。超过阈值会导致细胞凋亡,或细胞功能受到损坏。
B.
基因的表达需要遗传密码,不同生物种类核基因的遗传密码是通用的,然而线粒体所携带的遗传密码与细胞的通用密码完全不同。
C.
mtDNA缺乏修复系统及组蛋白保护,易受活性氧等自由基侵害,突变率高于核DNA 10~20倍。
D.
mtDNA的高突变率造成个体及群体中其序列差异较大。任何两个人,平均每1 000个碱基对就有4个碱基不同。
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【多选题】在法庭审理过程中,被告人屠某、沈某和证人朱某提出在侦查期间遭到非法取证,要求确认其审前供述或证言不具备证据能力。下列哪些情形下应当根据法律规定排除上述证据?
A.
将屠某“大”字型吊铐在窗户的铁栏杆上,双脚离地
B.
对沈某进行引诱,说“讲了就可以回去”
C.
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D.
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扩展单元 /模块
B.
动力机器
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高压线
D.
高压设备
【单选题】Nowadays, a standard for measuring power has changed. These changes foretell a new standard for measuring power. No longer will a nation's political influence be based solely on the strength of its mi...
A.
the strength of its military forces
B.
its ability to compete in industry
C.
economic markets
D.
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【单选题】What is exciting about the new fuel cells?
A.
Their limitless power generation capacity is amazing.
B.
Their limited power generation capacity is a good beginning.
C.
Their limited power generation capacity is the result of great efforts.
D.
Their limitless power generation capacity is a major accomplishment.
【多选题】在法庭审理过程中,被告人屠某、沈某和证人朱某提出在侦查期间遭到非法取证,要求确认其审前供述或证言不具备证据能力。下列哪些情形下应当根据法律规定排除上述证据?
A.
将屠某“大”字型吊铐在窗户的铁栏杆上,双脚离地
B.
对沈某进行引诱,说“讲了就可以回去”
C.
对沈某进行威胁,说“不讲就把你老婆起抓进来”
D.
对朱某进行威胁,说“不配合我们的工作就把你关进来”
【多选题】在法庭审理过程中,被告人屠某、沈某和证人朱某提出在侦查期间遭到非法取证,要求确认其审前供述或证言不具备 证据能力。下列哪些情形下应当根据法律规定排除上述证据 ?
A.
对沈某进行威胁,说 “不讲就把你老婆一起抓进来”
B.
将屠某 “大”字型吊铐在窗户的铁栏杆上,双脚离地
C.
对沈某进行引诱,说 “讲了就可以回去”
D.
对朱某进行威胁,说 “不配合我们的工作就把你关进来”
【单选题】Nowadays, a standard for measuring power has changed. These changes foretell a new standard for measuring power. No longer will a nation's political influence be based solely on the strength of its mi...
A.
the strength of its military forces
B.
its ability to compete in industry
C.
economic markets
D.
both A and B
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【单选题】It is certain that men will never stop _____ new energy sources to power their growing industry.
A.
finding
B.
to find
C.
having found
D.
found
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