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淮安区治疗不孕不育多少钱安心常识江苏省淮安市中山医院治疗妇科疾病多少钱

2019年10月20日 06:34:35来源:69频道

  • Around 100 competitors, sporting facial hair of all sorts of shapes and sizes, have gathered in the German town of Pforzheim.近100名蓄着各式各样胡须的参赛者齐聚德国普福尔茨海姆小镇。They are taking part in an international beard competition, organised by a local group called ;Pforzemer Schnauz.; The club is celebrating its 20th anniversary this year. Prizes are awarded in 18 different categories, recognising the best looking and most obscure facial hair styles.他们将进行一场别开生面的比赛,这场比赛由一个名叫Pforzemer Schnauz的当地组织举办。这个俱乐部正在庆祝其诞辰20周年.比赛将产生18个不同奖项,分别为最佳造型奖,最具风格奖等等。They include chin beards, moustaches and full beards. Competitors say it is a place to meet like-minded friends and have a beer together.参赛胡种有山羊胡,唇上胡和大胡子。参赛者们表示这是一个可以找到志趣相投朋友的地方,也是和朋友开怀畅饮的地方。 Article/201304/237425。
  • For scientists like David,对像大卫这样的科学家yeast is the perfect research specimen.以酵母为研究对象再适合不过了It#39;s a simple organism with only它是只有6000个基因的简单组织6,000 genes, a tenth the amount we have,是我们拥有的十分之一so it makes much easier to hunt for particular genes.所以找特殊基因会更简单And surprisingly almost all the genes in yeast exist in humans.惊讶的是人体内几乎有酵母所有的基因After seven years, he was able to identify a gene for longevity.7年后 他找到了长寿基因The yeast cells are microscopic酵母细胞极小so we look at them under the microscope所以我们要在显微镜下看count how many times they divide,数数它们分裂几次and what we#39;re looking for were genes that if you delete them,我们要确定去掉其中的哪个or you add an extra copy of them, that they live longer,或加入哪个复制体 它们会活得更久and we found a set of genes that do that.我们找到了这样的一组基因They#39;re called the sirtuin genes and really what was它们叫做沉默调节蛋白基因very exciting was that just adding one extra copy of a gene让人激动的是仅需加入一个该复制体called sirtuin could greatly就能大大延寿extend the lifespan of those yeast, about 30%.延长大约30%的寿命David had a hunch that this longevity大卫预感这个长寿基因gene was key to how calorie restriction worked.是控制卡路里摄入的关键What he needed to do was to prove the link.他需要做的是明这其中的联系 Article/201303/230301。
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