Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one?

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Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one? Answer: Old strands are methylated while new strands are not

Question context

This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.