Answer:
During mismatch repair, the cell is able to tell which strand of DNA is unmutated (or the original) strand by the process called Recognition of Nicks.
Step-by-step explanation:
Mismatch repair of DNA (Deoxyribonucleic Acid) in this case refers to the body's system of identifying, errors that may happen during DNA copying and recombination.
It is also involved in the repair of types of DNA damage.
During the Mismatch Repair, where damage has occured, the cell, by a process called recognition of Nicks is able to tell which strand of DNA has errors and the ones that are intact.
During a Nick recognition, a Ligase occurs which aids the formation of Protein Complex that performs the actual recognition.
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