下列关于DNATm值的叙述哪一项是正确的A.只与DNA链的长短有直接关系 B.与G-

题型:单项选择题

问题:

下列关于DNATm值的叙述哪一项是正确的

A.只与DNA链的长短有直接关系

B.与G-C对的含量成正比

C.与A-T对的含量成正比

D.与碱基对的成分无关

考点:普通考研西医综合西医综合
题型:单项选择题

如图, 电源电压U 保持不变, 开关由闭合到断开时,电流表的示数将(  )

A.不变

B.变小

C.变大

D.无法判断

题型:单项选择题

法人机构、非法人机构变更名称,符合()原则。

A、合法性

B、统一性

C、惟一性

D、商誉保护A、合法性

B、统一性

C、惟一性

D、商誉保护

题型:单项选择题

传输线路的质量好坏不会影响计算机网络安全。

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1949年中华人民共和国成立以来,中国政府逐步制定了一整套解决中国民族问题的政策体系,其主要内容有:()

A、坚持民族平等和民族团结政策

B、坚持民族区域自治政策

C、加快发展少数民族地区经济建设

D、积极发展少数民族教育文化事业

题型:单项选择题


In the following passage, there are 20 blanks representing the words that are missing from the context. You are to put back in each of the blanks the missing word. The time for this section is 20 minutes.
Where do you really come from And how did you get (1) where you live today DNA studies suggest that all humans today (2) from a group of African ancestors who—about 60,000 years ago— (3) a remarkable journey.
The Genographic Project is seeking to chart new (4) about the migratory history of the human species by (5) sophisticated laboratory and computer analysis of DNA contributed by hundreds of (6) of people from around the world. In this unprecedented and real-time (7) effort, the Genographic Project is closing the gaps of what science (8) today about mankind’s ancient migration stories.
The Genographic Project is a five-year (9) partnership led by National Geographic Explorer-in-Residence Dr. Spencer Wells. Dr. (10) and a team of renowned international scientists and IBM researchers, are (11) cutting-edge genetic and computational technologies to analyze historical patterns in DNA (12) participants around the world to better understand our human genetic roots. (13) three components of the project are: to gather field research data (14) collaboration with indigenous and traditional peoples around the world; to invite (15) general public to join the project by purchasing a Genographic Project Public Participation Kit; (16) to use proceeds from Genographic Public Participation Kit sales to further (17) research and the Genographic Legacy Fund which in (18) supports indigenous conservation and revitalization projects. The Project is anonymous, non-medical, (19) , non-profit and non-commercial and all results will be placed in the (20) domain following scientific peer publication.

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