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Informative narration and animated experiments illustrate how scientists determined the chemical nature of deoxyribonucleic acid-DNA. The program also explores how DNA replicates itself to produce an exact copy of the original molecule. Interactive tutorials provide "hands-on" participation in understanding the DNA experiments covered in the presentation.
Topics covered include: Griffith's Experiment on Pneumococcus (Transformation); Avery, MacLeod, & McCarty Experiment on Cell Extracts (Discovery of DNA); Hershey and Chase Experiment (Bacteriophage, Phage, Using Radioactive Isotopes); Chemical Makeup of DNA; Structure of DNA; Watson and Crick Model; and Replication of DNA.