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1、 Converge on Ras (3)信号转到过程中有信号放大作用:信号的)信号转到过程中有信号放大作用:信号的 放大作用与信号所启动的作用并存;放大作用与信号所启动的作用并存; (4)细胞的适应性。)细胞的适应性。 (二) 蛋白激酶的网络整合信息 细胞信号传递构成一个复杂的信号网络系统,具细胞信号传递构成一个复杂的信号网络系统,具 有高度的非线性特点,即信号网络中各通路之间有高度的非线性特点,即信号网络中各通路之间 存在存在cross talking 的相互关系。而蛋白激酶的网的相互关系。而蛋白激酶的网 络整合信息是不同信号通路之间实现的络整合信息是不同信号通路之间实现的“交谈交谈” 的一

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