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When watermen find wounded fish along a lonely river in Maryland, they kick off a scientific debate and an environmental crisis focused on a mysterious microbe that may -- or may not -- cause sick fish and sick people. Watch the title sequence from this award-winning, hour-long film.

Students will use pineapple juice as an enzyme and Jell-O™ as a substrate to illustrate an enzyme/substrate complex. Students will discover that the processing of food will denature enzymes.