Really New Advances

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Really New Advances

机译：真正的新进展

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It is beginning to dawn on biologists that they may have got it wrong. Not completely wrong, but wrong enough to be embarrassing. For half a century their subject had been built around the relation between two sorts of chemical. Proteins, in the form of enzymes, hormones and so on, made things happen. DNA, in the form of genes, contained the instructions for making proteins. Other molecules were involved, of course. Sugars and fats were abundant (too abundant, in some people). And various vitamins and minerals made an appearance, as well. Oh, and there was also a curious chemical called RNA, which looked a bit like DNA but wasn't. It obediently carried genetic information from DNA in the nucleus to the places in the cell where proteins are made, rounded up the amino-acid units out of which those proteins are constructed, and was found in the protein factories themselves.

机译：生物学家开始意识到他们可能弄错了。并非完全错误，但足以令人尴尬的错误。半个世纪以来，他们的主题一直围绕着两种化学物质之间的关系而建立。酶，激素等形式的蛋白质使事情发生了。以基因形式存在的DNA含有制造蛋白质的说明。当然，还涉及其他分子。糖和脂肪很丰富（有些人太丰富了）。各种维生素和矿物质也出现了。哦，还有一种叫做RNA的奇怪化学物质，看起来有点像DNA，但实际上却不是。它听话地将遗传信息从细胞核中的DNA携带到细胞中制造蛋白质的位置，将构成这些蛋白质的氨基酸单元四舍五入，并在蛋白质工厂本身中被发现。

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《The economist》 |2007年第8533期|p.91-9294|共3页
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中图分类经济;各科经济学;
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