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【多选题】
How do receptor tyrosine kinases (RTKs) activate the PI-3-kinase–Akt signaling pathway?
A.
An extracellular survival signal, such as IGF, activates an RTK, which recruits and activates PI 3-kinase. PI 3-kinase then phosphorylates an inositol phospholipid that is embedded in the cytosolic side of the plasma membrane.
B.
The resulting phosphorylated inositol phospholipid attracts intracellular signaling proteins that have a special domain that recognizes it.
C.
One of these signaling proteins, Akt, is a protein kinase that is activated at the membrane by phosphorylation mediated by two other protein kinases (here called protein kinases 1 and 2); protein kinase 1 is also recruited by the phosphorylated lipid docking sites.
D.
Once activated, Akt is released from the plasma membrane and phosphorylates various downstream proteins on specific serines and threonines.
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举一反三
【单选题】以下哪个项目不是勒·柯布西耶二战后的建筑作品?
A.
朗香教堂
B.
加歇别墅
C.
拉图雷特修道院
D.
马赛公寓
【单选题】以下哪个不是柯布西耶的作品?
A.
昌迪加尔法院
B.
朗香教堂
C.
萨伏伊别墅
D.
包豪斯学院
【单选题】By means of multiple pipeline to carry out multiple processing, this technology is called(71).
A.
Multiple pipeling
B.
Superpipeline
C.
Superscalar
D.
Very long instruction word
【单选题】贝聿铭在中国的第一个建筑是()
A.
中国银行大厦
B.
苏州博物馆
C.
香山饭店
D.
六朝博物馆
【单选题】The technology for carrying out multiple processing by means of multiple pipelines is called
A.
Super scalar
B.
Superpipeline
C.
Multiple pipeline
D.
Very long instruction word
【单选题】By means of multiple pipeline to carry out multiple processing,this technologyiscalled
A.
Multiple pipeling
B.
Supe rpipeline
C.
Superscalar
D.
Very long instruction word
【单选题】●By means of multiple pipeline to carry out multiple processing,this technology is called (71) . (71)
A.
Multiple pipeling
B.
Superpipeline
C.
Superscalar
D.
Very long instruction word
【多选题】定期清查按照预先安排的时间 对财产物资、货币资金和债权债务结算款项等进行的清查,可以在( )结账时进行。
A.
每天
B.
年终
C.
季末
D.
月末
【单选题】有关多文档界面(Multiple Document Interface)的不正确描述是
A.
多文档界面(MDI)是指在一个父窗口下面可以同时打开多个子窗口
B.
子窗口归属于父窗口
C.
如果父窗口关闭,则所有子窗口全部关闭
D.
如果所有子窗口全部关闭,则父窗口关闭
【单选题】改善握力可选用下列哪项活动
A.
编织
B.
下棋
C.
捏面团
D.
种花
E.
打牌
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