题目内容

研究限制性内切核酸酶而获得1978年诺贝尔奖的科学家是（）

A. Sanger
B. F
C. B．Arber W. and Smith H. O
D. C．Crick
E. D．Lederberg J

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发现核酶（ribozyme）的学者是（）

A. Jacob and Monod
B. Wilmut and Pauling
C. Watson and Crick
D. Cech and Altman

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In eukaryotic
cells, the genetic material is found in the（）In eukaryotic
cells, the genetic material is found in the（）

A. ribosomes
B. nucleus
C. endoplasmic
D. reticulum
E. D．cytoplasm

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During replication, proofreading of the newly
synthesized DNA is performed by（）During replication, proofreading of the newly
synthesized DNA is performed by（）

A. RNA
B. polymerase
C. B．reverse
D. transcriptase
E. C．topoisomerase
F. D．DNA
G. polymerase

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Based on the experiments in this activity, which of
the following is true about E. coli replication（）Based on the experiments in this activity, which of
the following is true about E. coli replication（）

A. Replication begins at a single site on the
B. chromosome
C. B．Replication
D. is bidirectional
E. C．Synthesis
F. begins at specific sites on the template strand
G. D．All
H. of the above

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研究限制性内切核酸酶而获得1978年诺贝尔奖的科学家是（）

A. Sanger B. F C. B．Arber W. and Smith H. O D. C．Crick E. D．Lederberg J

发现核酶（ribozyme）的学者是（）

In eukaryoticcells, the genetic material is found in the（）In eukaryoticcells, the genetic material is found in the（）

During replication, proofreading of the newlysynthesized DNA is performed by（）During replication, proofreading of the newlysynthesized DNA is performed by（）

Based on the experiments in this activity, which ofthe following is true about E. coli replication（）Based on the experiments in this activity, which ofthe following is true about E. coli replication（）

A. Sanger
B. F
C. B．Arber W. and Smith H. O
D. C．Crick
E. D．Lederberg J

In eukaryotic
cells, the genetic material is found in the（）In eukaryotic
cells, the genetic material is found in the（）

During replication, proofreading of the newly
synthesized DNA is performed by（）During replication, proofreading of the newly
synthesized DNA is performed by（）

Based on the experiments in this activity, which of
the following is true about E. coli replication（）Based on the experiments in this activity, which of
the following is true about E. coli replication（）