Tag: caffeine
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Investigation: How Chemicals Affect Pulse Rates
Students investigate the affect of chemicals, like caffeine on the circulatory system using a blackworm specimen.
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Evolution of Caffeine
In this activity, students access a database called UniProt that provides information about protein sequences derived from genome sequencing. Students search for the protein sequences of three plants that produce caffeine, Camellia sinensis, Coffea arabica, and Theobroma cacao (tea, coffee, and cocoa). They compare the protein sequences to determine if the gene to create caffeine arose independently…