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Group 1: Biology / Chemistry Interface

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

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Group 1: Biology / Chemistry Interface

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  1. Group 1: Biology / Chemistry Interface Charles desBordes1, Bob Gundersen2, Charlene Kozerow2, Matt Marcello3, Christov Roberson4, Marty Samuels4 Facilitator: Dave Gross5 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

  2. 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

  3. Biology Chemistry Source: wikipedia.org

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

  5. Energy

  6. How is Food Energy Captured?

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

  8. Mr. T’sTidbit 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.

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

  10. Carbohydrate Digestion Carbohydrate Polymer Monomers

  11. Hydrolysis of Carbohydrates Disaccharide Polymer H2O H2O Monomers

  12. Question: At this point in the digestion of glucose polymers to glucose monomers, do you think that the body has captured any energy? • Yes • No • I don’t know

  13. Glucose Glucosemustenter the cell before its energy can be stored in ATP. ATP Cell

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

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

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

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

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

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

  20. “Wrap”ping Up, Looking Forward Disclaimer: No snickers bars were captured in the production of this tidbit .... sadly Digestion ATP

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