问题
单项选择题
胰岛素与受体结合后细胞内的特征性变化是（）
A.热休克蛋白自激素结合区水解
B.IP3、DAG浓度增高
C.cAMP减少
D.cAMP增加
E.受体β亚单位上酪氨酸磷酸化
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
胰岛素与受体结合后细胞内的特征性变化是（）
A.热休克蛋白自激素结合区水解
B.IP3、DAG浓度增高
C.cAMP减少
D.cAMP增加
E.受体β亚单位上酪氨酸磷酸化
参考答案：E
Passage One
Using the program developed at the University of California at Berkeley, the papers are checked by ______.
A．printing and looking carefully at the hundreds of papers on the internet
B．searching many web pages and comparing words used
C．asking the students where they got the information in the paper
D．comparing all the papers which are turned in by the students