DNA that has intercalated chemicals and modify bases Question 10 1 pts Which one

Question

DNA that has intercalated chemicals and modify bases Question 10 1 pts Which one of these is not characteristic of mismatch repair in E. coli? O The protein MutS recognizes and binds to the mismatched bases. Mismatch repair corrects small unpaired loops in DNA. O The distorted section of the newly synthesized strand is cut out during mismatch repair. ODNA polymerase & DNA ligase fill n the gap on the un- methylated strand with correctly paired nucleotides. O MutS nicks the un-methylated strand at the GATC site to remove this strand. 3

Explanation / Answer

Answer. MutS nicks the unmethylated strand at the GATC site to remove this strand.

This role is done by MutH.

The mismatch repair is corrected by the proteins, MutS, MutH and MutL. Recognition is done by the MutS, then it forms the complex with MutH and MutL. This complex does the Endonuclease activity.

MutH nicks the unmethylated DNA strand at the GATC site.

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