Q. High level of mutation in the germ cells is acceptable but in somatic cells can be catastrophic.

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Q. Which base undergoes spontaneous damage under physiological conditions?

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Q. With which base uracil pairs in the opposite strand upon replication?

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Q. Which base is generated due to the deamination of adenine?

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Q. Which base is generated by the deamination of guanine?

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Q. Bases in the mRNA undergo depurination.

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Q. In vertebrate DNA, which base is frequently present in place of cytosine on which methyl transferase acts?

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Q. Which base is generated by the deamination of 5-methylcytosine?

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Q. Which laboratory mutagen is prone to mutation of DNA?

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Q. Which site of guanine is the site for mutation?

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Q. What is the product by mutation by oxidation of DNA?

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Q. To which base OXOG base pairs?

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Q. In the case of thymine dimer which type of ring compound is formed?

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Q. 5-bromouracil is the analog of which base?

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Q. Bleomycin is the anticancer agent.

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Q. In the following compound which is one of the intercalating agents?

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Q. What is the correct definition of excision repair?

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Q. How many types of excision repair systems are known?

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Q. Why recombinational repair system is called double strand break repair?

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Q. Which enzyme is activated during double stranded break?

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