Hubbard Scientific DNA Model Kit (Pack of 12)
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show up to 2 reviews by default Model is based on the structure proposed by Watson and Crick and includes 12 packets each containing sufficient components to construct a molecule segment. Connect packets to form a DNA helix over 12' long. Each packet contains 12 ribose centers, 12 phosphate centers, 3 each adenine, cytosine, guanine and thymine bonds, 6 hydrogen bonds, 24 connectors and mounting stand.