题目内容

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

查看答案

搜索结果不匹配？点我反馈

更多问题

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

查看答案

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.

查看答案

Nitrite is a common food additives. Itself as well as the nitrosamine generated by heating reaction of nitrite with amino acid are both mutagenic agents of DNA.()

查看答案

In the process of depurination sites repairing and nucleotide excision repairing, the glycosidase is needed to catalyze the ligation of correct bases to pentose.()

查看答案

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:()

Which of the following regarding to DNA repair is NOT correct:()

Nitrite is a common food additives. Itself as well as the nitrosamine generated by heating reaction of nitrite with amino acid are both mutagenic agents of DNA.()

In the process of depurination sites repairing and nucleotide excision repairing, the glycosidase is needed to catalyze the ligation of correct bases to pentose.()

A. DNA polymerase I
B. DNA polymerase III
C. RecA
Damage-removing synthase