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Cavendish LaboratoryThe Cavendish Laboratory has had an important influence on biology, mainly through the application of X-ray crystallography to the study of structures of biological molecules. Francis Crick already worked in the Medical Research Council Unit, headed by Max Perutzand housed in the Cavendish Laboratory, when James Watson came from the United States and they made a breakthrough in discovering the structure of DNA. For their work while in the Cavendish Laboratory, they were jointly awarded the Nobel Prize in Physiology or Medicine in 1962, together with Maurice Wilkins of King's College London, himself a graduate of St. John's College, Cambridge.The discovery was made on 28 February 1953; the first Watson/Crick paper appeared in Nature on 25 April 1953. Sir Lawrence Bragg, the director of the Cavendish Laboratory, where Watson and Crick worked, gave a talk at Guy's Hospital Medical School in London on Thursday 14 May 1953 which resulted in an article by Ritchie Calder in the News Chronicle of London, on Friday 15 May 1953, entitled "Why You Are You. Nearer Secret of Life." The news reached readers of The New York Times the next day; Victor K. McElheny, in researching his biography, Watson and DNA: Making a Scientific Revolution, found a clipping of a six-paragraph New York Times article written from London and dated 16 May 1953 with the headline "Form of `Life Unit' in Cell Is Scanned." The article ran in an early edition and was then pulled to make space for news deemed more important. (The New York Times subsequently ran a longer article on 12 June 1953). The Cambridge University undergraduate newspaper Varsity also ran its own short article on the discovery on Saturday 30 May 1953. Bragg's original announcement of the discovery at a Solvay Conference on proteins in Belgium on 8 April 1953 went unreported by the British press.Sydney Brenner, Jack Dunitz, Dorothy Hodgkin, Leslie Orgel, and Beryl M. Oughton, were some of the first people in April 1953 to see the model of the structure of DNA, constructed by Crick and Watson; at the time they were working at the University of Oxford's Chemistry Department. All were impressed by the new DNA model, especially Brenner who subsequently worked with Crick at Cambridge in the Cavendish Laboratory and the new Laboratory of Molecular Biology. According to the late Dr. Beryl Oughton, later Rimmer, they all travelled together in two cars once Dorothy Hodgkin announced to them that they were off to Cambridge to see the model of the structure of DNA. Orgel also later worked with Crick at the Salk Institute for Biological Studies.10.Which of the following is TRUE according to the passage?
A.
Crick has no assistant in the Cavendish Laboratory.
B.
The first Watson/Crick paper appeared in Nature on 1953.
C.
Lawrence Bragg gave a talk about new DNA at Guy's Hospital Medical School.
D.
Dorothy Hodgkin was regarded as the most unselfish scientist by the public.
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参考答案:
举一反三
【单选题】MIB中,()定义了一组合法的宏实例,说明了有关的语法。
A.
宏定义
B.
宏实例
C.
宏实例的值
D.
SYNTAX
【简答题】举实例说明版面的组合与分立。
【判断题】Pmany people say that Mcdonald's can certainly afford to pay that amount.
A.
正确
B.
错误
【简答题】根据神经纤维有无 ____ ,中枢神经系统和周围神经系统的神经纤维均分为 ____ 神经纤维和 ____ 神经纤维。
【单选题】How can you say that religion is anything________ way of controlling people?
A.
rather than
B.
other than
C.
more than
D.
less than
【简答题】. 蛋白质的基本组成单位是 (1) ,蛋白质水解的最终产物是 (2)
【判断题】时期指标与时期长短成正比,时点指标与时点间隔成反比
A.
正确
B.
错误
【单选题】M-Q型显影液组合是
A.
米吐尔与菲尼酮的组合
B.
对苯二酚和菲尼酮的组合
C.
米吐尔与对苯二酚的组合
D.
对苯二酚的组合
E.
二氨基苯酚与菲尼酮的组合
【判断题】课文通过动态、静态的描写,生动地写出了威尼斯小艇的特点和作用。( )
A.
正确
B.
错误
【单选题】蛋白质的基本组成单位是
A.
肽键平面
B.
核苷酸
C.
D.
氨基酸
E.
碱基
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