Missing piece of DNA replication puzzle identified

DNA replication is a basic function of living organisms, allowing cells to divide and multiply, all while maintaining the genetic code and proper function of the original cell. The process, or mechanism, by which this is accomplished presents many challenges as the double helical (coil-shaped) DNA divides into two strands that are duplicated by different methods, yet both strands complete the replication at the same time. New research has addressed this fundamental problem.

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