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It's not the best form of food in that they're actually very poor in protein, and unfortunately very, very rich in cyanide.
但木薯的根并不是最好的食物,因为它的蛋白质含量很少，而更不幸的是，它的氰化物含量非常，非常高。
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It lists the protein but not the percent daily value, so you noted something interesting about the food label.
这里列出了蛋白质却没写其日摄取百分比,你注意到了食品标签里一个有趣的现象
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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
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I'll talk today about protein and then next week, or next class, we'll talk in more detail about carbohydrate and fat.
我们会在今天讨论蛋白质,下节课进一步解释碳水化合物和脂肪
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And so if one is looking to keep protein at a certain level, then these sort of foods would get favored.
但还不是全部 而如果要使体内蛋白维持在某种水平上,那这些食物会比较受青睐
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Insulin is a naturally occurring hormone, it's a protein hormone that circulates in all of our bodies and regulates glucose metabolism.
胰岛素是人体自身产生的一种激素,它是一种蛋白质激素,遍布全身,并调节糖代谢
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Sometimes subtle changes in the structure of a protein can convert it from an active state into an inactive state.
有时蛋白质结构上一些很小的变化,就能将其由激活态转变为非激活态
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So if it's not a cell that's going through division you can't use a retrovirus to express the protein.
如果细胞不在分裂阶段,你就不能用逆转录病毒来表达某个蛋白
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What a kinase enzyme does is that it recognizes this protein, and for example, the tyrosine that's on the protein.
激酶能够识别这类蛋白,例如,包含酪氨酸的蛋白
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So as I said, we'll talk about protein this week a little bit, and then fats and carbs next week.
我说过,我们这周会讨论蛋白质,下周是脂肪和碳水化合物
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But here, for example, the idea is to make many copies of a protein for use as a pharmaceutical.
不过这里,举例来说,这个构想是把蛋白质作为药物来量产
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And I'm sure you can imagine that if you want to label onw protein green and one red and one yellow, now you can start looking at really complex biological processes.
我相信你们可以想象如果你,需要把一个蛋白质标记成绿色,一个标记红色，一个标记黄色，这样你就可以研究非常复杂的生物学过程。
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The reason it is so exciting that it's a protein, and it's a protein, this is the structure here, it's a ribbon structure so you can kind of see what it looks like, it's made up of all natural amino acids.
它这么让人激动的原因是因为它是一个蛋白质，这里的这个结构，这是个带状机构，你可以看到它的样子，它全部是由氨基酸组成的。
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Fat has twice the calories per unit weight that protein or carbohydrate sugar has, as a consequence, has the greatest survival value.
单位重量中脂肪的热量含量,是蛋白质和碳水化合物的两倍,因此,脂肪才是最能维持生存的物质
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Protein was a lot different in this period of time and many health authorities think a higher protein diet would benefit humans.
蛋白质的含量也不同,现代很多健康专家认为,高蛋白质的摄入是对人们有益的
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What about sources of protein, that and carbohydrate for you, and how do those look and where are you getting those from?
那蛋白质的来源呢,还有碳水化合物,这些都长什么样,你从何摄入这些元素
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