Q. Choose the endonuclease that can cuts double strand of DNA.

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Q. Which factor in the resolve some drives branch migration?

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Q. Which of the following is not a sensor of DSB?

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Q. Which of the following is not true about NHEJ?

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Q. Which of the following has both kinase and nuclease property?

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Q. Which of the following is most flexible ligase?

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Q. In DSB repair in G1 phase, which of these factors would be seen which is absent in other phases?

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Q. Which of the following is not true about ATM kinase?

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Q. Which of these factors is not responsible for the assembly of Rec A oh the DNA?

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Q. What is the structure of Rec A filament?

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Q. Which of these is not a part of the tri protein complex in homologous DSB repair?

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Q. Which of the following will be a marker of DSB?

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Q. Rec BCD can chew 3’ end of the DSB till it reaches _____________ sequence.

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Q. What is the role of Rec BCD in DSB repair?

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Q. The DSB are indistinguishable from normal chromosomes of shorter length.

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Q. Homologous recombination can’t occur in which stage?

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Q. What is the prokaryotic homologue of XPC?

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Q. What is the molecule released in 2nd step of Alk B reaction which returns the base to normal form?

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Q. It is good that Guanine methyl transferase is absent in human beings.

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Q. You radiate a stock of E. Coli with UV rays and another stock is irradiated as control. The 1st stock is seen to be more resistant to alkylating agents. Which gene is expected to be triggered by this UV?

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