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Group 1: Biology / Chemistry Interface Charles desBordes 1, Bob Gundersen 2, Charlene Kozerow 2, Matt Marcello 3, Christov Roberson 4, Marty Samuels 4 Facilitator: Dave Gross 5 1- City University of New York, Medgar Evers College 2- University of Maine 3- UMDNJ, Robert Wood Johnson Med School 4- Harvard University 5- University of Massachusetts, Amherst

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Additional Material for this Tidbit Lesson goals and outcomes for the Teaching Unit were distributed in a manila folder (stored online on server) A different handout was given to each table (one of slides 15-19, printed out and distributed prior to the presentation) Snickers bars for each table

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BiologyChemistry Source: wikipedia.org

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Students will be able to describe different types of bonds and their energies. Explain why ATP is a high energy molecule.

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Energy

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How is Food Energy Captured?

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Question: What is a calorie? Answer: A unit of energy.

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Mr. T s Tidbit Topics Recall: Chemical bonds in monomers contain energy. Learn: Food consists of complex molecules that contain energy. These large molecules are broken down by hydrolysis into monomers. Energy is captured as ATP. Goals: Recognize the role of digestion in energy production. Predict which macromolecules contain the most energy.

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Question: Where does carbohydrate digestion occur in the body? a.Inside the mouth b.Inside the stomach c.In the bloodstream d.Inside the small intestine e.Both (a) and (d)

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Carbohydrate Digestion Carbohydrate Polymer Monomers

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Hydrolysis of Carbohydrates Polymer H2OH2O Disaccharide Monomers H2OH2O

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Question: At this point in the digestion of glucose polymers to glucose monomers, do you think that the body has captured any energy? a.Yes b.No c.I dont know

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Cell Glucose ATP Glucose must enter the cell before its energy can be stored in ATP.

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Exercise: Predict the Molecule that Contains the Greater Amount of Metabolic Energy. (Use the examples provided on your table.)

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Predict which Molecule Contains the Greater Amount of Metabolic Energy. Group 1: Compare a pentose (left) and a hexose (right) A) B)

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Predict which Molecule Contains the Greater Amount of Metabolic Energy. Group 2: Compare a triglyceride (left) and a trisaccharide (right) A) B)

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Predict which Molecule Contains the Greater Amount of Metabolic Energy. Group 3: Compare two fatty acids A) B)

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Predict which Molecule Contains the Greater Amount of Metabolic Energy. Group 4: Compare two hexoses A) B)

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Predict which Molecule Contains the Greater Amount of Metabolic Energy. Group 5: Compare a fatty acid and a triglyceride A) B)

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Wrapping Up, Looking Forward Disclaimer: No snickers bars were captured in the production of this tidbit.... sadly ATP Digestion