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Geoblox Environmental Degradation Block Models
Investigate human impacts on the environment while building your own models
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Ward's® AP Biology Investigation 13: Interactions: Enzyme Activity
Meets AP Science Practices 4, 5, 6, and 7, and Big Idea 4.
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Whatman™ Mixed Cellulose Ester Membranes, Sterile, 0.45 µm
Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters.
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FTA® Cards, Qiagen
For the collection, transport, archiving and isolation of nucleic acids at room temperature.
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pH/Conductivity/TDS Tester, Low Range
This multiparametrer tester is an easy-to-use and accurate waterproof pH, conductivity, TDS (ppm) tester. It measures pH, EC in the low range (0 to 3999 µS/cm), TDS (0 to 2000 ppm), and temperature. This floating, waterproof combination pocket tester has an easy to read, LCD and an automatic shut-off.
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Food coloring (red, yellow, green blue), 4/0.3 oz bottles
FOOD COLORING RYBG BTL ST4 DRP BTL 9ML