题目内容

Which of the following is not required for DNA synthesis reactions()

A. dCTPs
B. template DNA
C. DNA
D. polymerase
E. D.calcium
F. ions

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伦敦国王学院的()研究小组用X-射线衍射的方法研究核酸的结构,并取得了很多有意义的成果

A. Maurice Wilkins
B. Rosalind Franklin
C. David
D. Baltimore
E. D.James Watson

On the E. coli chromosome, oriC()

A. encodes
B. DNA polymerase I
C. B.is
D. a binding site for histone proteins
E. C.is
F. the start site for replication
G. D.encodes
H. an RNA primer

In bacteria such as E. coli, replication of
the chromosome is()In bacteria such as E. coli, replication of
the chromosome is()

A. semidiscontinuous
B. and bi-directional
C. B.discontinuous
D. and unidirectional
E. C.continuous
F. and bi-directional
G. D.semidiscontinuous
H. and unidirectional

The sequence of nucleotides in one strand of DNA is5’-C C A C T G G-3’, What is the sequence of the complimentary strand
of DNA()The sequence of nucleotides in one strand of DNA is5’-C C A C T G G-3’, What is the sequence of the complimentary strand
of DNA()

A. 5’-C
B. C A C T G G-3’
C. B.3’-C C A C T G G-5’
D. C.5’-G G T C A C C-3’
E. D.3’-G G T G A C C-5’

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