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Introduction, 5.5MB

     Biology, 5.5MB

        Cells, 6.9MB

 Replication, 7.9MB 

 Shortening, 5.5MB

Telomerase, 6.0MB   

 

 

 Conclusion, 12MB

 

               Click on each icon to play a quick time movie.

   

                 Click to view a larger image of the telomeres.