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【判断题】
在印度教徒看来,整个宇宙就是一个巨大的幻象,是短暂、不真实的。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Which of the following statements on DNA replication is CORRECT ?
A.
DNA is synthesized by extending the 3′ end of the primer, because the 3′-OH acts as a nucleophile during catalysis
B.
DNA Pol use s four different active sites to recognize the four different dNTPs when it catalyzes DNA synthesis
C.
DNA Pol does not add rNTP to the 3′ end of the growing DNA strand because rNTP concentrations are too low in cells
D.
During DNA replication, the leading strand and lagging strand are synthesized toward opposite directions and cannot be coordinated
【单选题】The primers in DNA replication are
A.
DNA fragments synthesized with DNA as template
B.
DNA fragments synthesized with RNA as template
C.
RNA fragment synthesized with DNA as template
D.
RNA fragments synthesized with RNA as template
E.
Primers still exist in the DNA strand after replication
【简答题】中国FDM技术的开拓者是清华大学的[填空(1)] 。
【多选题】The fidelity of DNA replication is maintained by:
A.
(1) base selection by the polymerase
B.
(2) a 3′→5′ proofreading exonuclease activity that is part of most DNA polymerases
C.
(3) specific repair systems for mismatches left behind after replication
D.
all the above
【简答题】DNA的半保留复制(semiconservative replication)
【简答题】中国FDM技术的开拓者是清华大学的[ ]。A. 颜永年
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