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One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

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Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f

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China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

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Supporting National Parks Through the Arts Artist Rosalie Haizlett starts every day by opening a map of the Great Smokey Mountains National Park. Over breakfast, she plans her walk for the day. She packs food and a sketch book, and then leaves for he

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This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

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1. Efforts to reach six Utah coal miners trapped more than 1500 feet underground will take at least three days. That's according to one of the mine's owners who says rescuers aren't sure the men survived the cave-in. There has been no word from them

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经济学人166:清道夫平菇

Science and technology 科学技术 Bioremediation 生物降解 Bottom feeders 清道夫平菇 A novel way of dealing with an unpleasant problem 解决烦人难题的新颖方法 For your delight and delectation 愿你欢愉 DESPITE their name, dispo

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While I was observing this phenomenal creature, two jets of steam and water sprang from its blowholes and rose to an altitude of forty meters, 当我观察这只奇怪动物的时候，两道水和汽从它的鼻孔吐出来，直喷到叫十米的高度

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精彩托福句子 2

11.Acids are chemical compounds that,in water solution,have a sharp taste， a corrosive action on metals,and the ability to turn certain blue vegetable dyes red. 12.Billie Holiday's reputation as a great jazz-blues singer rests on her ability to giv

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The light from our glass coils produced magical effects at times, lingering on the wrinkled roughness of some natural arch, 我们的蛇形玻璃管中的光学，照在这些天然的凹凸不平的拱形建筑物上面， or some overhang suspended

英语听书《海底两万里》第161期 第11章 诺第留斯号(12)

In the first group: organ-pipe coral, gorgonian coral arranged into fan shapes, soft sponges from Syria, isis coral from the Molucca Islands, sea-pen coral, wonderful coral of the genus Virgularia from the waters of Norway, various coral of the genus

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在我们的生活中，死亡是我们所有人必定会遇到的事情，无论是家庭成员还是宠物，甚至是你都将有终结之时。事实上，每分钟世界上大约就有100人死亡。但在人死之时到底会发生什么呢？

关于CET-6阅读的100个经典句型(2)

11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red. 11. 酸是一种化合物，它在溶

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英语听力文摘 English Digest 169、What are fungi, plants or animals?

Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways, so much so that scientists long classified fungi plants, but they know better now. Eating Habits Wh

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A triggerfish, I said. 是一条箭鱼。我于是说了。 It's a Chinese triggerfish, Ned Land replied. 尼德兰回答：是一条中国箭鱼。 Genus Balistes, family Scleroderma, order Plectognatha, Conseil muttered. 康塞尔于是低声说：箭

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There I saw again, but not yet pressed and dried like the Nautilus's specimens, some peacock's tails spread open like fans to stir up a cooling breeze, scarlet rosetangle, 我在这里又看到的，不是像在诺第留斯号船上风干的标本，而

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At intervals it hands down decrees, declaring that Zauschneria californica (a common plant in rock gardens) 它不时下达命令，宣布从今以后加州倒挂金钟（一种普通的假山庭园植物） is to be known henceforth as Epilobium can