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Clips(1 min 42 sec) During the process of trying to elucidate the structure of DNA, Jim Watson made some cardboard models to try to understand how DNA nucleotides are paired. It helped him visualize how hydrogen atoms of paired nucleotides interact with each other to form a symmetrical structure that fits the double helix model.
Clips(19 min 4 sec) Listen to past HHMI President Dr. Thomas Cech discussing his Nobel Prize-winning discovery of RNA's catalytic properties.
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