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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The enzyme that unwinds the double helix to
facilitate replication is（）The enzyme that unwinds the double helix to
facilitate replication is（）
A. 3 ’ 5 ’exonuclease
B. DNA
C. helicase
D. C．DNA
E. polymerase
F. D．topoisomerase
DNA polymerases are enzymes that copy（）
A. DNA
B. into DNA
C. B．DNA
D. into RNA
E. C．RNA
F. into DNA
G. D．RNA
H. into RNA
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（）
A. Jacob and Monod
B. Wilmut and Pauling
C. Watson and Crick
D. Cech and Altman
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