完善蛋白质

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,

发表于:2018-12-05 / 阅读(104) / 评论(0) 分类 经济学人科技系列

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(98) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(九)月

Unit 1 Food After-Class Reading PASSAGE I The Menu Proper Names Delmonico's 德尔莫尼柯餐馆(美国纽约市餐馆名) New Words achieve * v. succeed in doing (something) or reaching (an aim) 获得

发表于:2018-12-29 / 阅读(53) / 评论(0) 分类 新编大学英语阅读部分

As a matter of fact, milk always meets in the stomach a digestive juice which curdles it; the curdling of the milk is the first step in its digestion. A similar wrong idea is that fish and ice cream w

发表于:2018-12-30 / 阅读(71) / 评论(0) 分类 自考英语(一)78讲

Life on Earth is basically proteins and DNA, so we can wonder if there is life on Mars will also be DNA and proteins, the same type of DNA, the same type of proteins. One might think that DNA is such

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 火星生命

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 Scientific American(五)月

This is scientific Americans 60-Second Science, I am Karen Hopkin, this will just take a minute. Time for another episode of those amazing alligators. On March 14th, we told you how gators use their lungs to steer through the water. Now, Louisiana bi

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 Scientific American(四)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(110) / 评论(0) 分类 Scientific American(十)月

SCIENCE IN THE NEWS - Progress Against Witchweed, a Killer of Sorghum Crops in Africa Researchers may someday copy proteins found in alligator blood to produce infection-fighting drugs for people. Transcript of radio broadcast: 19 May 2008 VOICE ONE

发表于:2019-01-11 / 阅读(91) / 评论(0) 分类 VOA慢速英语2008年(五)月

It's so obvious that it's practically proverbial. You can't unboil an egg. 很明显又众所周知的是。你不能把一个熟蛋变生。 Well, it turns out you can, sort of. 然而,其实在某种程度上你是可以的。 What thermal energy

发表于:2019-01-17 / 阅读(76) / 评论(0) 分类 TED演讲教育篇

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

发表于:2019-01-22 / 阅读(159) / 评论(0) 分类 科技之光

BEIJING, Oct. 12(Xinhuanet) -- People allergic to peanuts may find relief in a new research by American scientists, according to Huffington Post Monday. Scientists from the Northwestern University Feinberg School of Medicine have found a way to turn

发表于:2019-02-01 / 阅读(73) / 评论(0) 分类 英语新闻

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(74) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(126) / 评论(0) 分类 英语新闻

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

发表于:2019-02-14 / 阅读(165) / 评论(0) 分类 阅读空间

He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变,这些消化酶的作

发表于:2019-02-16 / 阅读(96) / 评论(0) 分类 经济学人科技系列

The anatomy-related adaptations were those that seemed to control the development of the pandas second thumbs. 与生物体结构相关的基因有可能控制熊猫第二拇指的生长。 Two genes in particular, DYNC2H1 and pericentrin, have mutat

发表于:2019-02-16 / 阅读(67) / 评论(0) 分类 经济学人科技系列
学英语单词
abbeyhills
access mask register
al-midhar
alternate angles
an infant in arms
angoleses
artificial alimentation
at war
Auchencorth Moss
balance-of-payment
baton rompu
bendazac
BIET
Bohol Sea
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Brown Act.
carpometacarpal
chamiso
chief checker
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distance signal
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earth leakage circuit breaker
electromagnetic recorder
Euro rate
excessive displacement
extraction mark
Faslodex
Fifie
flat-rate system
frees
Gazelle Pen.
genus Cymbidium
group starter
Guy Fawkes Night
hairline
heat evil
hegemonicon
hemipharyngectomy
hewin
in a good cause
inquire out
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Jewish holy day
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Miały
mistake
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musculi thoracis
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tempi
The United Nations Packaging Symbol
topology console
tramazoline
two-man concept
unharrowed
unpunched paper tape
vicinal rule
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whip-tail
Wintocaine
Woodward-Hoffmann rule