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All Known DNA Polymerases Catalyze Synthesis Only in the 5 \rightarrow

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All known DNA polymerases catalyze synthesis only in the 5' \rightarrow 3' direction. Nevertheless, during semiconservative DNA replication in the cell, they are able to catalyze the synthesis of both daughter chains, which would appear to require synthesis in the 3' \rightarrow 5' direction. Explain the process that occurs in the cell that allows for synthesis of both daughter chains by DNA polymerase.


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