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问题 单项选择题

由一条肽链组成且具有7个跨膜α-螺旋的膜蛋白是（）

A.G-蛋白

B.腺苷酸环化酶

C.配体门控通道

D.酪氨酸激酶受体

E.G-蛋白偶联受体

答案

参考答案：E

选择题

新鲜血液加入抗凝剂后，上层淡黄色半透明的液体是[ ]

A．红细胞    

B．白细胞      

C．血小板    

D．血浆
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单项选择题

Marketnews2Day.com


Monday, October 17, 15:52
Breaking News....Breaking News....Breaking News
Shares in Brussels-based Roscoe Pharmaceuticals Co. rose sharply today on heavy trading. The rise came after CEO Leonard Bouveier revealed that final tests of a new drug for older patients, those between 65 and 80, had proved more successful than hoped.
The drug, called Horizon H54, is aimed at aiding memory. Test results showed that it could slow memory loss by as much as 17% in patients if taken regularly and in combination with other prescribed medication. CEO Bouveier said the company hoped to launch the drug by January of next year after the current approval process by government regulators is completed.
Analysts have valued the potential market value for the drug in Europe and North America at around

billion.
The news means Roscoe has now gotten ahead of its closest competitor, London-based Devitt Health Group, in this field. Devitt is known to have been working on a similar drug for the past eighteen months.

What is the news report about

A. A research funding trend
B. A medical breakthrough
C. Personnel changes
D. New science debates
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