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Bell-Ringer: Open Logbook to Food for Animals AGENDA : NO HW Quiz Corrections by Friday (tutorial). Adds Mass. Does Not Add Mass. When children grow into adults, they gain a lot of mass. What things does a child need to grow?.
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Bell-Ringer: Open Logbook to Food for Animals • AGENDA: NO HW • Quiz Corrections by Friday (tutorial)
Adds Mass Does Not Add Mass When children grow into adults, they gain a lot of mass. What things does a child need to grow? Which of these things adds mass to the growing child? Which of these things do not add mass?
What is the Function of Food for Animals? • Put an X next to the things you think animals use as food. • _____proteins _______carbohydrates ________carbon dioxide ______fats ______water _____oxygen _______minerals _______vitamins • Explain your thinking
Make a Logbook entry- Food Molecules- 10/11 • Read the information about the molecules in figure 2.1 (taped in your logbook) and answer the questions
Make a new entry- Food Molecule Questions- 10/11 • Glue into your Logbook and then answer the questions.
Food Molecule Questions 1.What are the 3 major groups of food molecules recognized by scientists? 2. How do these molecules differ from each other? 3. What are the two major subdivisions of carbohydrates? • What is the distinction between the two major subdivisions? 4. How are cellulose and starch similar? 5. How do cellulose and starch differ? 6. How are starch and glycogen different?
Glucose Sucrose Fructose LE 5-5
Chloroplast Starch LE 5-6a 1 µm Starch: a plant carbohydrate
Glycogen granules Mitochondria LE 5-6b 0.5 µm Glycogen Glycogen: an animal carbohydrate
Cellulose microfibrils in a plant cell wall Cell walls Microfibril LE 5-8 0.5 µm Plant cells Cellulose molecules b Glucose monomer
A chain of amino acids = a protein LE 5-20a
LE 5-20e Iron Heme Hemoglobin Polypeptide chain Collagen
LE 5-11b Fat molecule
LE 5-12a Saturated fat and fatty acid.
LE 5-12b Unsaturated fat and fatty acid.
Phospholipid: builds cell membranes Choline Hydrophilic head Phosphate LE 5-13 Glycerol Hydrophobic tails Fatty acids Hydrophilic head Hydrophobic tails Space-filling model Structural formula Phospholipid symbol