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Why don't living cells have DNA replication in the 3 to 5' direction? Be very specific

Why don't living cells have DNA replication in the 3 to 5' direction? Be very specific

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Replication is possible only in 5' to 3' not 3' to 5' because free 3'-OH group come from incoming nucleophile and attack on triphosphate, release two phosphate so give lot of energy for formation of bond.

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