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【单选题】
亨利·基辛格在《世界秩序》中说:“为结束自己大陆上的战祸所做的努力预兆并催生了近代世界的智慧:避免对绝世价值做出评判,转而采取务实的态度接受多元世界,寻求通过多样性和克制渐渐生成秩序” 。下列选项中能够体现“近代世界智慧”的是( )
A.
凡尔赛体系的建立
B.
两极格局的形成
C.
反法西斯同盟建立
D.
欧洲共同体成立
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【多选题】世界三大饮料包括
A.
咖啡
B.
可可
C.
D.
矿泉水
【多选题】世界三大饮料包括:( )
A.
B.
啤酒
C.
可可
D.
可乐
E.
咖啡
【判断题】紫外-可见分光光度法可用于未知物结构分析
A.
正确
B.
错误
【单选题】There was no _____ for this belief.
A.
basic
B.
base
C.
basis
D.
bases
【简答题】当今的世界三大饮料包括( )。A. 可乐B. 可可C. 咖啡D. 茶叶E. 奶茶
【多选题】How are purine and pyrimidine bases recycled by salvage pathways?
A.
Free purine and pyrimidine bases are constantly released in cells during the metabolic degradation of nucleotides. Free purines are in large part salvaged and reused to make nucleotides, in a pathway much simpler than the de novo synthesis of purine nucleotides described earlier.
B.
One of the primary salvage pathways consists of a single reaction catalyzed by adenosine phosphoribosyltransferase, in which free adenine reacts with PRPP to yield the corresponding adenine nucleotide.
C.
Free guanine and hypoxanthine (the deamination product of adenine ) are salvaged in the same way by hypoxanthine-guanine phosphoribosyltransferase.
D.
A similar salvage pathway exists for pyrimidine bases in microorganisms, and possibly in mammals.
【简答题】A.points B.stations C.establishments D.bases
【多选题】世界三大饮料包括( )
A.
茶叶
B.
可可
C.
果汁
【简答题】A.ends B.backgrounds C.origins D.bases
【单选题】Which of the following statements about minor bases is wrong?
A.
In DNA, the most common minor bases are acetylated forms of the major bases.
B.
In some viral DNAs, certain bases may be hydroxymethylated or glucosylated.
C.
Altered or unusual bases in DNA molecules often have roles in regulating or protecting the genetic information.
D.
Minor bases of many types are also found in RNAs, especially in tRNAs.
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