Often it's a salt called phosphocholine and so you get a phospholipid that's made of choline and two lipid chains.

它通常是一种叫磷酸胆碱的盐,这样你就得到了一种,由胆碱和两条脂肪链构成的磷脂

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This is a signal - this passing of phosphorous - is a signal that's used very frequently in intracellular communication.

这是一种信号,一种通过磷酸来传递的信号,这种信号在细胞内通讯时经常被用到

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One of the amino acids that can be phosphorylated is tyrosine, for example.

例如,一种能够被磷酸化的氨基酸,叫做酪氨酸

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It generates a kinase activity which leads to phosphorylation of the protein.

它产生了一种激酶活性,导致了受体蛋白的磷酸化

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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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Another family is receptor tyrosine kinases, I'll show another picture in a moment that tells you more about what a kinase is, but a kinase is basically an enzyme that can add a phosphorous to another molecule.

另一类是酪氨酸激酶受体,马上我给你们看另一张图,这张图会更详细地告诉你们激酶是什么,激酶是一种能够,向其他分子上添加磷酸基团的酶

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