In another surprise, a U. S. team tracked individual proteins and found that a single random molecular event can switch a bacterial cell from one metabolic state to another.

另一个意外是，美国研究组跟踪许多单个蛋白质，并发现一个随机分子事件可以将细菌细胞从一个代谢状态切换到另一个状态。

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So if you are one of them, please switch off your cell phone in public, especially on a quiet and serious occasion.

所以，如果您是其中之一，请在公共场合关掉您的手机，尤其是在庄严肃穆的场合。

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One way that you could switch this on and off inside the cell is by taking off this phosphorous, proteins enzymes that do this opposite reaction, the opposite to kinases are called phosphokinases.

一种方法是通过去除磷酸基团,来改变细胞内蛋白的状态,催化添加磷酸基团,此逆反应的蛋白酶,能够催化逆反应的激酶叫做磷酸激酶

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