问题
单项选择题
胰岛素和表皮生长因子的受体实际上是一种酶，它们是（）
A.蛋白水解酶
B.磷酸化酶
C.酪氨酸激酶
D.Ser／Thr激酶
E.磷酸酶
答案
参考答案：C
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胰岛素和表皮生长因子的受体实际上是一种酶，它们是（）
A.蛋白水解酶
B.磷酸化酶
C.酪氨酸激酶
D.Ser／Thr激酶
E.磷酸酶
参考答案：C
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