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SSS 2012-07-25

时间：2012-09-18 09:00:42

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（单词翻译）

 This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute

 
Secret identities aren't  just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it binds1 the DNA2, the protein called RFAH,  rips apart, and then refolds into different shape to do a different job. RFAH is transcriptional protein, attached to free from stretch of DNA. It determines if the genes3 is express or not. Once the protein has carried out its task, its helical structure unravels4. Within seconds, it refolds into parallel structure ,which has new role. This time, in translation will help the some produce amoe essence(acids) for new proteins. The study is in the journal : Cell. 
The next step is to find out if the amoe can refold into helix, after that, researchers want to see if protein similar to RFAH, which are present in all life on the earth. A capable and comparable molecular can torch(contortion) which mean a lot more bang for protein buck

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1 binds c1d4f6440575ef07da0adc7e8adbb66c     
v.约束( bind的第三人称单数 )；装订；捆绑；（用长布条）缠绕
参考例句：
  • Frost binds the soil. 霜使土壤凝结。 来自《简明英汉词典》
  • Stones and cement binds strongly. 石头和水泥凝固得很牢。 来自《简明英汉词典》
2 DNA 4u3z1l     
(缩)deoxyribonucleic acid 脱氧核糖核酸
参考例句：
  • DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
  • Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
3 genes 01914f8eac35d7e14afa065217edd8c0     
n.基因( gene的名词复数 )
参考例句：
  • You have good genes from your parents, so you should live a long time. 你从父母那儿获得优良的基因，所以能够活得很长。 来自《简明英汉词典》
  • Differences will help to reveal the functions of the genes. 它们间的差异将会帮助我们揭开基因多种功能。 来自英汉非文学 - 生命科学 - 生物技术的世纪
4 unravels de32940e66abf8b3c146052524dba673     
解开，拆散，散开( unravel的第三人称单数 )； 阐明； 澄清； 弄清楚
参考例句：
  • Khrushchev's Cold War unravels the tangled contradictions in his leadership of the Communist Party. 赫鲁晓夫的冷战》这本书揭示出赫鲁晓夫作为共产党的领袖，面临着一些棘手的问题。

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