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Amoeba Sisters
DNA Replication (Updated)
Explore the steps of DNA replication, the enzymes involved, and the difference between the leading and lagging strand! This video is an update from our old DNA replication video with nearly the same script but added detail and improved...
Curated Video
DNA Repair by Proofreading
DNA polymerases are the enzymes that build DNA in cells. During DNA replication (copying), most DNA polymerases can “check their work” with each base that they add. This process is called proofreading. If the polymerase detects that a...
Catalyst University
Telomeres and Telomerase: Aging Theory and Nutritional Applications
Here we discuss shortening of telomeres, factors that affect this phenomenon, and the function of telomerase.<br/>
Catalyst University
DNA Replication of the Lagging Strand: Explanation Followed by Animation
Here we have provided an explanation of lagging strand DNA replication followed by an great animation beginning at 4:04.
Curated OER
DNA Replication Process
Do you need a visual representation for DNA's replication process? This short clip provides a brief overview of how this process occurs.
Khan Academy
Khan Academy: Speed and Precision of Dna Replication
Sal reflects on the amazing speed and precision with which DNA replication takes place. [3:54]