DNA replication proceeds in only one direction. Which direction is this, and why is strand elongation only possible in one direction?

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asked May 2, 2013 in Genetics by anonymous
    

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DNA strands elongate only in the 5’-to-3’ direction because the DNA polymerase can only add a dNTP to a free -OH group at the 3’ end of the molecule. 

answered May 2, 2013 by anonymous



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