Proteins molecules are long flexible chains that can take on a virtually infinite number of 3d shapes.

蛋白质分子是非常复杂的链，实际上可以表示为无数个3d图形。

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Glucose-free solutions remained clear, but solutions with glucose caused the proteins to form clusters, suggesting that the molecules had become cross-linked.

不含葡萄糖的溶液仍然清晰可见，但含有葡萄糖的溶液会使蛋白质形成团簇，这表明分子已经交联。

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Could any other class of molecules have substituted for proteins?

任何其它种类的分子能够取代蛋白质吗？

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Many kinds of molecules make up your coffee There are the water molecules, the flavor molecules the milk proteins, etcetera.

许多不同种类的分子构成了你的咖啡,有水分子，气味分子，牛奶蛋白等等。

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These proteins have functions that are essential for life of the cell, they transport molecules back and forth across the membrane.

这些蛋白所起的功能,对于细胞生存至关重要,它们负责转运分子通过细胞膜进出细胞

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A lot of the examples that we're going to give you in terms of trying out your Lewis structures will be molecule that are used in organic synthesis, or maybe they're molecules that react in interesting ways with biomolecules in your body or proteins in your body.

很多我们将要用来,训练路易斯结构的例子,都是在有机合成中用到的分子，也有可能是那些在你体内的生物分子,或者蛋白质中发生有趣反应的分子。

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One of the ways functional genomics works is to use models to identify proteins or small molecules that interact with other proteins.

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Scientists have long known that proteins and other molecules in the body don't act alone.

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And proteins are the molecules that do most of the work in a cell.

ECONOMIST: Genetics gets more complicated