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![Page 1: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/1.jpg)
Environmental Literacy ProjectMichigan State University
Decomposers Unit Lesson 3 Activity 2
Fungi Digestion and Biosynthesis
![Page 2: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/2.jpg)
How can a fungus digest food without a digestive system?
![Page 3: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/3.jpg)
Digesting OUTSIDE the Body• Fungi can break down polymers (large organic
molecules) OUTSIDE their bodies• The cells in the hyphae send out digestive
enzymes that break the polymer into monomers (small organic molecules)
• The small monomers then can enter the cells of the hyphae and travel through the mycelium
![Page 4: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/4.jpg)
Decomposers use food in two ways
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Food Digestion
Materialsfor growth:
Biosynthesis
Energy:Cellular
respiration
![Page 5: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/5.jpg)
Where are atoms moving from?
Where are atoms moving to?
The Movement Question
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Which atoms and molecules move during digestion and biosynthesis?
amino acids
protein
![Page 7: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/7.jpg)
amino acids
protein
How do amino acids and protein move during digestion?
![Page 8: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/8.jpg)
What happens inside the fungus cell during biosynthesis?
Chemical change
![Page 9: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/9.jpg)
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Organic moleculesLARGE = Polymer SMALL = Monomers
STARCH
GLUCOSE (SUGAR)
![Page 10: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/10.jpg)
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Comparing molecules in dead stuff fungi eat
LIPIDS (FAT)
STARCH
PROTEIN CELLULOSE (FIBER)
GLUCOSE (SUGAR)
![Page 11: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/11.jpg)
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Monomers (small organic molecules)
Red paperclip = amino acid
Blue paperclip = glucose
Green paperclip = fatty acid
Purple paperclip = glycerol
![Page 12: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/12.jpg)
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Build food (dead stuff) molecules Build a STARCH molecule by linking together 6 glucose monomers.
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Build food (dead stuff) molecules Build a FAT molecule by linking 3 fatty acid monomers to 1 glycerol molecule.
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Build food (dead stuff) molecules Build PROTEIN molecules by linking 5 amino acid monomers.
![Page 15: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/15.jpg)
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Build food (dead stuff) molecules One type of carbohydrate is cellulose, also called fiber. Build a FIBER molecule by linking together 6 glucose monomers.
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Food (dead stuff) polymers (large organic molecules)
LIPIDS (FAT) =link 3 fatty acid monomers to 1 glycerol
PROTEIN = 5 amino acid monomers
CELLULOSE (FIBER) = 6 glucose monomers
STARCH = 6 glucose monomers
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Food molecules are dead
things like stumps
Place large food
molecules (dead stuff)
here in trunk
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Food is digested by
fungal enzymes
outside the fungi’s body
Get ready to digest the
food molecules
here
![Page 19: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/19.jpg)
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Breakdown Food Molecules (Digestion)
Let’s focus on what happens to PROTEIN in food for fungi (dead stuff).(Put the other food molecules to the side of the poster for now.)
Digest PROTEIN molecules by breaking the protein into individual amino acids.
Chemical change
![Page 20: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/20.jpg)
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Breakdown Food Molecules (Digestion)
Digest STARCH molecules by breaking the starch into individual glucose monomers.
Chemical change
![Page 21: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/21.jpg)
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Breakdown Food Molecules (Digestion)
Digest FAT molecules by breaking the fat into individual fatty acid and glycerol monomers.
Chemical change
![Page 22: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/22.jpg)
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Breakdown Food Molecules (Digestion)
Digest FIBER molecules by breaking the cellulose into individual glucose monomers.
Chemical change
![Page 23: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/23.jpg)
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Move the small
molecules through the
fungal hyphae
Small molecules are taken up and
transported by fungal hyphae
![Page 24: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/24.jpg)
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Digested Monomers: where do they go?
glucose
glycerol amino acid
fatty acid
![Page 25: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/25.jpg)
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Build large molecules
here
Biosynthesis is the process of small organic molecules becoming large organic molecules in all body parts
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What’s in a fungi (mushroom)?PROTEIN
FIBER
Mushrooms
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Build a mushroom (Biosynthesis)Build PROTEIN molecules by linking 5 amino acid monomers.
Chemical change
![Page 28: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/28.jpg)
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Build mushroom (Biosynthesis)Build FIBER molecules by linking 5 glucose monomers.
Chemical change
![Page 29: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/29.jpg)
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What happens to food monomers that are not used in biosynthesis?
![Page 30: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/30.jpg)
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…put carbon dioxide from the cellular
respiration now outside the mushroom
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Identify chemical energy at an atomic molecular scale:
Which molecules have chemical energy?Food
molecules:
Mushroom polymer
molecules:
Fungi food, dead stuff (tree trunk):
Digested monomers in mushroom’s
body:
Example: FAT
Example: AMINO ACID
Example: PROTEIN
Example:CARBOHYDRATES
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Identify where chemical energy is located (macroscopic scale):
![Page 33: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/33.jpg)
Chemical change
ProductsReactants
Protein polymer(+ water)
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What happens to carbon atoms and chemical energy in digestion?
Amino acid monomers
![Page 34: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/34.jpg)
Chemical change
ProductsReactants
Protein polymer(+ water)
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What happens to carbon atoms and chemical energy in digestion?
Amino acid monomers
Carbon atoms stay in organic molecules with
high-energy bonds
![Page 35: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/35.jpg)
Chemical change
Products
Protein polymer(+ water)
Reactants35
What happens to carbon atoms and chemical
energy in biosynthesis?
Amino acid monomers
![Page 36: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/36.jpg)
Chemical change
Products
Protein polymer(+ water)
Reactants36
What happens to carbon atoms and chemical
energy in biosynthesis?
Amino acid monomers
Carbon atoms stay in organic molecules with
high-energy bonds
![Page 37: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/37.jpg)
Digestion and biosynthesis of fats and carbohydrates (Optional)
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![Page 38: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/38.jpg)
Chemical change
Products
Fatty acids+ glycerol
Reactants
Fat(+ water)
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What happens to carbon atoms and chemical energy in digestion?
![Page 39: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/39.jpg)
Chemical change
Products
Fatty acids+ glycerol
Reactants
Fat(+ water)
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What happens to carbon atoms and chemical energy in digestion?
Carbon atoms stay in organic molecules with
high-energy bonds
![Page 40: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/40.jpg)
Chemical change
Products
Fat(+ water)
Reactants40
What happens to carbon atoms and chemical
energy in biosynthesis?
Fatty acids+ glycerol
![Page 41: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/41.jpg)
Chemical change
Products
Fat(+ water)
Reactants41
What happens to carbon atoms and chemical
energy in biosynthesis?
Fatty acids+ glycerol
Carbon atoms stay in organic molecules with
high-energy bonds
![Page 42: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/42.jpg)
Chemical change
ProductsGlucose monomers
Reactants
Starch polymer(+ water)
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What happens to carbon atoms and chemical energy in digestion?
![Page 43: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/43.jpg)
Chemical change
ProductsGlucose monomers
Reactants
Starch polymer(+ water)
What happens to carbon atoms and chemical energy in digestion?
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Carbon atoms stay in organic molecules with
high-energy bonds
![Page 44: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/44.jpg)
Chemical change
ProductsGlucose monomers
Reactants
Cellulose polymer(+ water)
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What happens to carbon atoms and chemical energy in digestion?
![Page 45: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/45.jpg)
Chemical change
ProductsGlucose monomers
Reactants
Cellulose polymer(+ water)
What happens to carbon atoms and chemical energy in digestion?
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Carbon atoms stay in organic molecules with
high-energy bonds
![Page 46: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/46.jpg)
Chemical change
Products
Starch polymer(+ water)
Reactants46
What happens to carbon atoms and chemical
energy in biosynthesis?
Glucosemonomers
![Page 47: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/47.jpg)
Chemical change
Products
Starch polymer(+ water)
Reactants47
What happens to carbon atoms and chemical
energy in biosynthesis?
Glucosemonomers
Carbon atoms stay in organic molecules with
high-energy bonds
![Page 48: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/48.jpg)
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How do fungi digest dead plants?
Remember: Atoms last forever and Energy lasts forever
What forms of energy are in the reactants?
What molecules are carbon atoms in before the change?
What other molecules are involved?
Where are atoms moving from?
What forms of energy are in the products?
What molecules are carbon atoms in after the change?
What other molecules are produced?
Where are atoms moving to?
Chemical change
![Page 49: Environmental Literacy Project Michigan State University Decomposers Unit Lesson 3 Activity 2 Fungi Digestion and Biosynthesis.](https://reader035.fdocuments.us/reader035/viewer/2022062722/56649f2c5503460f94c4742f/html5/thumbnails/49.jpg)
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How do fungi grow?
Remember: Atoms last forever and Energy lasts forever
What forms of energy are in the reactants?
What molecules are carbon atoms in before the change?
What other molecules are involved?
Where are atoms moving from?
What forms of energy are in the products?
What molecules are carbon atoms in after the change?
What other molecules are produced?
Where are atoms moving to?
Chemical change