Kinases can, in many cases, serve as a mechanism for switching a protein on or switching a protein off.

激酶能够,在很多情况下,能够激活一种蛋白或者关闭一种蛋白

耶鲁公开课 - 生物医学工程探索课程节选

And then for a lot of students too, what this mechanism does is it just takes the edge off a course like this.

对于大多数学生来说，这种机制同时也会削弱,此类课程的作用。

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Well, if this kinase happens to turn this protein on then you would like to have a mechanism to turn it off as well.

那么在激酶激活蛋白质后,你会希望有一种方法能够使它失活

耶鲁公开课 - 生物医学工程探索课程节选