胰岛素的作用机制是(). A.与细胞膜上特异性受体结合,进入细胞对糖代谢发挥作用 B

题型:单项选择题 A1/A2型题

问题:

胰岛素的作用机制是().

A.与细胞膜上特异性受体结合,进入细胞对糖代谢发挥作用

B.直接渗透到细胞内对糖代谢发挥作用

C.直接渗透到细胞内与核内蛋白结合而发挥作用

D.与细胞膜上特异性受体结合,经过第二信使传递直接参与糖代谢的调节

E.与细胞膜上特异性受体结合,改变膜成分的排列结构,再通过第二信使引起细胞内生物学反应

考点:临床医学检验技术(师)临床生物化学检验临床生物化学检验题库
题型:单项选择题 A1/A2型题

根据短文内容,判断正误T/F。

     Hello,I am Andy. Do you want to know something about my friend Paul'? He is the best forward (前

 锋) in our football team.

    Paul is my good friend. He was born in Beijing in 1993. His parents now work in Nanjing. Paul studies

  in our schoo1. He is in C1ass 3 Grade 7. He is a tall and strong boy. His small eyes are very lovely. He

  has short hair. We all like to play with him.

    Paul is good at sports. He is a football player in our school team. He usually plays well in man matches.

 tie scores many goals and helps the team win many matches. He tells me he  wants to play in the 2012

 World Cup. He wants to be the next Ronaldo! So he practices playing football every afternoon.

    Paul works hard at school,too. fie is good at English and Maths (数学). But lie is not good at

  Chinese. He needs help with Chinese. His best friend,Daniel,often helps him. I often help him,too. 

    

( ) 1. Paul is 16 years old now.

(     ) 2. Paul has big eves and short hair.

(     ) 3. Paul is a member of the sehool basketball team.

(     ) 4. Paul plays football with Ronaldo every day.

(     ) 5. Daniel and Andy often help Paul with his lessons.

题型:单项选择题 A1/A2型题

RPA卡环组适用于

A.基牙舌向倾斜,颊侧没有倒凹者

B.基牙向近中倾斜,颊侧远中无倒凹

C.基牙向远中倾斜,颊侧近中无倒凹

D.口底过浅者

E.游离端缺失,基牙颊侧存在组织倒凹

题型:单项选择题 A1/A2型题

教育对生产力的促进作用主要通过两个途径实现:教育再生产劳动力和____。

题型:单项选择题 A1/A2型题

山东半岛盛产的刺参,又称灰参,色呈黑褐,体外壁有疣状突起,腹壁有管足。

题型:单项选择题 A1/A2型题

根据以下案例,回答下列问题:
宋先生有一定的积蓄,在朋友的介绍下买了基金,分别投资了开放式基金20万元,封闭式基金10万元。

下列说法正确的是( )。

A.小李设立信托的目的是为了进行风险隔离

B.该信托有两个受益人

C.该信托属于房地产信托

D.以上都正确

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