Q. The nicking of DNA is followed by the adherence of a helicase known as __________

View solution

Q. Mismatch repair system is ATP dependent.

View solution

Q. By which enzyme does E. coli tags its parental DNA strand?

View solution

Q. If the Mut H cuts the DNA at the 5’ side of the mismatch then which nuclease is activated?

View solution

Q. What are the eukaryotic components of Mut S and Mut L of E. coli?

View solution

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

View solution

Q. Which base undergoes spontaneous damage under physiological conditions?

View solution

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

View solution

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

View solution

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

View solution

Q. Bases in the mRNA undergo depurination.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. To which base OXOG base pairs?

View solution

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

View solution

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

View solution

Q. Bleomycin is the anticancer agent.

View solution