In photoreactivation repair, which of the following enzyme binds to pyrimidine dimer?()
A. Photolyase
B. Exonuclease
C. Endonuclease
D. Ligase
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Which enzyme is not needed during base excision repair:()
A. DNA polymerase
B. Phosphodiesterase
C. Exonuclease
D. Ligase
E. Glycosylase
The DNA strand containing pyrimidine dimer can still functions as a template during replication. When replication fork meets damaged site, the synthesis of nascent strand will be completed by which of the following enzyme:()
A. DNA polymerase I
B. DNA polymerase III
C. RecA
Damage-removing synthase
The UvrAB complex in E.coli can recognize:()
A. Gaps between Okazaki fragments
B. Normal DNA molecule
C. Hemi-methylated GATC
D. Twisty DNA double helix
Which of the following regarding to DNA repair is NOT correct:()
A. UV irradiation can induce crosslinking between the adjacent thymines
B. DNA polymerase III is needed in the nucleotide excision repair system to repair the nick of single strand.
C. DNA repairing process needs DNA ligase
D. Specific damaged bases can be removed by different glycosylase in the mammal cells.
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