首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Well, he made it up. All of it, apparently. According to a report published on December 29th by Seoul National University in Sou
Well, he made it up. All of it, apparently. According to a report published on December 29th by Seoul National University in Sou
admin
2011-03-22
57
问题
Well, he made it up. All of it, apparently. According to a report published on December 29th by Seoul National University in South Korea, its erstwhile employee Hwang Woo-suk, who had tendered his resignation six days earlier, deliberately falsified his data in the paper on human embryonic stem cells that he and 24 colleagues published in Science in May 2005.
In particular, Dr Hwang claimed he had created 11 colonies of human embryonic stem ceils genetically matched to specific patients. He had already admitted that nine of these were bogus, but had said that this was the result of an honest mistake, and that the other two were still the real McCoy. A panel of experts appointed by the university to investigate the matter, however, disagreed. They found that DNA fingerprint traces conducted on the stem-cell lines reported in the paper had been manipulated to make it seem as if all 11 lines were tailored to specific patients. In fact, none of them matched the volunteers with spinal-cord injuries and diabetes who had donated skin cells for the work. To obtain his promising "results", Dr Hwang had sent for testing two samples from each donor, rather than a sample from the donor and a sample of the cells into which the donor’s DNA had supposedly been transplanted.
The panel also found that a second claim in the paper — that only 185 eggs were used to create the 11 stem cell lines — was false. The investigators said the actual number of eggs used was far larger, in the thousands, although they were unable to determine an exact figure. The reason this double fraud is such a blow is that human embryonic stem-cell research has great expectations. Stem cells, which have not yet been programmed to specialise and can thus, in principle, grow into any tissue or organ, could be used to treat illnesses ranging from diabetes to Parkinson’s disease. They might even be able to fix spinal-cord injuries. And stem cells cloned from a patient would not be rejected as foreign by his immune system.
Dr Hwang’s reputation, of course, is in tatters. The university is now investigating two other groundbreaking experiments he claims to have conducted — the creation of the world’s first cloned human embryo and the extraction of stem cells from it, and the creation of the world’s first cloned dog. He is also in trouble for breaching ethical guidelines by using eggs donated by members of his research team.
And it is even possible that the whole farce may have been for nothing. Cloned embryos might be the ideal source of stem cells intended to treat disease, but if it proves too difficult to create them, a rough-and-ready alternative may suffice.
The significance of embryonic stem-cell research lies in ______.
选项
A、great expectations
B、planting into any tissue or organ
C、the treatment of a lot of human diseases
D、curing diabetes and Parkinson’s disease
答案
C
解析
本题为细节题。参见文章第3段第4句:Stem cells, .. grow into any tissue or organ, could be used to treat illnesses ranging from diabetes to Parkinson’s disease. 由此可知干细胞可用于治疗大量的人类疾病。选项A太空泛;选项B不是重要意义;选项D不全面,所以选项C为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/eFxd777K
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
0
公共英语四级笔试
公共英语(PETS)
相关试题推荐
Somepeoplearetryingtofilluplakestosetupcommercialbuildings,andtheysaythattheyarehelpingtheeconomy.Thereis
Thespeaker,MargaretSinclair,intheNationalMusicalExcellencySocietyactsas______.
Societywasfascinatedbyscienceandthingsscientificinthenineteenthcentury.Greatbreakthroughsinengineering,theuseo
Societywasfascinatedbyscienceandthingsscientificinthenineteenthcentury.Greatbreakthroughsinengineering,theuseo
Predictionsofmanyrobotsinindustryhaveyetcometrue.Fortenyearsormore,manufacturersofbigrobotshaveexplainedhow
Predictionsofmanyrobotsinindustryhaveyetcometrue.Fortenyearsormore,manufacturersofbigrobotshaveexplainedhow
Predictionsofmanyrobotsinindustryhaveyetcometrue.Fortenyearsormore,manufacturersofbigrobotshaveexplainedhow
【61】TheChineseConstitutionstipulatesthatwomenenjoyequalpoliticalrightswithmenandtheyalsoenjoytheequalright
ReadthefollowingtextcarefullyandthentranslatetheunderlinedsegmentsintoChinese.Yourtranslationshouldbewritte
ThedivorcerateinAmericahasreached______.
随机试题
背景某港口新建一消防泵站内包含40000m3消防水池工程,消防水池一半位于地面以下一半位于地面以上,整体钢筋混凝土板式基础,四周全现浇混凝土剪力墙,全部采用C30P12抗渗混凝土浇筑成型。由于水池在整个港口消防工程中的重要地位,在混凝土自防水基础上,内
结核菌素试验强阳性结果应为
口腔健康调查表中2位数标记法描述左上第二乳磨牙应为
对表面活性剂的HLB值表述正确的是
案情:赵某孤身一人,因外出打工,将一件玉器交由邻居钱某保管。钱某因结婚用钱,情急之下谎称该玉器为自己所有,卖给了孙某,得款8000元。孙某因资金周转需要,向李某借款15000元,双方约定将该玉器押给李某,如孙某到期不回赎,玉器归李某所有。在赵某外出打工期间
现行的《税收征管法》于()实施。
职工因工作遭受事故伤害或者患职业病进行治疗,下列费用中应由用人单位支付的有()。
某软件生产企业(位于市区)于2014年成立,可享受软件企业的相关税收优惠政策。该企业2014年亏损300万元,2015年盈利500万元,2016年盈利800万元。该企业2017年1月至11月销售(营业)收入9000万元,可扣除的销售成本、费用、税金7500
左边给定的是纸盒的外表面,下面哪一项能由它折叠而成?
根据《2008年全国教育事业发展统计公报》,2008年,全国共有小学30.09万所,比上年减少1.92万所,招生1695.72万人,比上年减少40.35万人;在校生10331.51万人,比上年减少232.49万人;小学毕业生数1864.95万人,比上年减少
最新回复
(
0
)