| http://digfir-published.macmillanusa.com/lodish_animation/a0405_dna_leading_lagging.html | Chapter 4. Coordination of Leading- and Lagging-Strand Synthesis
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| http://digfir-published.macmillanusa.com/lodish_animation/a0405_dna_leading_lagging_dlap.xml | DLAP questions | 519bca41b11c0f1368000058 |