Replication of DNA by Complementary Base Pairing

As the DNA strands unwind and separate, new complementary strands are produced by the hydrogen bonding of free DNA nucleotides with those on each parent strand. As the new nucleotides line up opposite each parent strand by hydrogen bonding, enzymes called DNA polymerases join the nucleotides by way of phosphodiester bonds. The DNA polymerase responsible for these events is not shown here.

Animation of DNA Replication by Complementary Base Pairing.jpg by Gary E. Kaiser, Ph.D.
Professor of Microbiology, The Community College of Baltimore County, Catonsville Campus
This work is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at https://cwoer.ccbcmd.edu/science/microbiology/index_gos.html.

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Last updated: Feb., 2021
Please send comments and inquiries to Dr. Gary Kaiser