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【单选题】
下列哪项酶的特性对利用酶作为亲和层析固定相的分析工具是必需的?A.
该酶的活力高
B.
对底物有高度特异亲合性
C.
酶能被抑制剂抑制
D.
最适温度高
E.
酶具有多个亚基
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皮皮学刷刷变学霸
举一反三
【单选题】Why did McDonald not need to be responsible for the health problem of overweight children?
A.
Because those children could not prove they regularly ate there.
B.
Because most of those children are healthy.
C.
Because the court believed that consumers knew the dangers of McDonald's products.
D.
Because some children are not really overweighed.
【简答题】在PBS底部的产品应该用产品描述文档化,内容包括产品的名字/标识、产品的目的、产品的来源、产品的组成、产品的形式、____
【单选题】The major goal of USB was to define an external expansion bus which makes adding(71) to a PC as easy as hooking up a telephone to a wall-jack. USB 2.0 is an evolution of the USB 1.1(72), providing a h...
A.
peripherals
B.
outside
C.
inside
D.
beside
【单选题】The major goal of USB was to define an external expansion bus which makes adding(70)to a PC as easy as hooking up a telephone to a wall-jack. USB 2.0 is an evolution of the USB 1.1(71), providing a hi...
A.
peripherals
B.
outside
C.
inside
D.
beside
【简答题】在PBS底部的产品应该用产品描述文档化,内容包括哪些
【单选题】An expansion ____ is an electronic pathway that moves information between the microprocessor and RAM, and stretches to various ports and slots where data can be transferred to other electronic circuit...
A.
USB
B.
bus
C.
portal
D.
gateway
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