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Decomposers Unit Activity 5.1: Tracing the Processes of Fungi Growing: Digestion and Biosynthesis

Carbon: Transformations in Matter and Energy Environmental Literacy Project Michigan State University. Decomposers Unit Activity 5.1: Tracing the Processes of Fungi Growing: Digestion and Biosynthesis. Unit map. You are here.

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Decomposers Unit Activity 5.1: Tracing the Processes of Fungi Growing: Digestion and Biosynthesis

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  1. Carbon: Transformations in Matter and Energy Environmental Literacy ProjectMichigan State University Decomposers UnitActivity 5.1: Tracing the Processes of Fungi Growing: Digestion and Biosynthesis

  2. Unit map You are here

  3. Connecting Questions about Processes at Different Scales: Digestion

  4. How can fungi digest food without mouths or intestines (digestive systems)?

  5. The Structure of Fungus

  6. How do fungi get food to all of their cells? Materialsfor growth:Biosynthesis Food Digestion Energy:Cellular respiration

  7. What happens to carbon atoms and chemical energy in digestion? Chemical change Large Organic Molecules (+ water) Small Organic Molecules Reactants Products

  8. What happens to carbon atoms and chemical energy in digestion? Chemical change Large Organic Molecules (+ water) Carbon atoms stay in organic molecules with high-energy bonds Small Organic Molecules Reactants Products

  9. Digested small organic molecules enter the hyphae and move to all parts of a fungus’ body.

  10. Connecting Questions about Processes at Different Scales: Biosynthesis

  11. How do mushrooms’ cells use food to grow? Materialsfor growth:Biosynthesis Food Digestion Energy:Cellular respiration

  12. What happens to carbon atoms and chemical energy in biosynthesis? Chemical change Small organicmolecules Large organic molecules(+ water) Reactants Products

  13. What happens to carbon atoms and chemical energy in biosynthesis? Chemical change Carbon atoms stay in organic molecules with high-energy bonds Small organicmolecules Large molecules(+ water) Reactants Products

  14. What happens to food small organic molecule that are not used in biosynthesis?

  15. Decomposers don't digest all the large organic molecules in dead organisms.

  16. Where do the atoms in decomposers come from? Work with a partner to complete the first chart about atoms.

  17. Remembering Nutrition Labels Decomposer cells are made of: • Water: around 60% (H2O) • Large organic molecules: less than 40% • Starch: Made of CHO atoms • Proteins: Made of CHON atoms • (Some other large organic molecules such as DNA, made from CHONP) • Minerals: around 1% • Many kinds of atoms: sodium, calcium, magnesium, etc.

  18. Where does the energy in decomposers come from? Work with a partner to complete the second chart about energy.

  19. Chemical Energy • Chemical energy is stored in C-C and C-H bonds. • Does water have chemical energy? • Does air have chemical energy? • Does food have chemical energy?

  20. Additional Metabolic Pathways There are many more small organic molecules and ways they can be changed other than the ones in this lesson. Look at the Metabolic Pathways poster to see some of them.

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