1. Bell-Ringer: Open Logbook to Food for Animals AGENDA: NO HW Quiz Corrections by Friday (tutorial)

2. Which of these things adds mass to the growing child? Which of these things do not add mass? Adds MassDoes Not Add Mass When children grow into adults, they gain a lot of mass. What things does a child need to grow?

3. 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

6. Group Name Molecules by number What are the characteristics that the molecules in the group have in common with each other? A B C D

7. 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

9. Make a new entry- Food Molecule Questions- 10/11 Glue into your Logbook and then answer the questions.

10. 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?

13. LE 5-5 Glucose Fructose Sucrose

14. LE 5-6a ChloroplastStarch 1 µm Starch: a plant carbohydrate

15. LE 5-6b Mitochondria Glycogen granules 0.5 µm Glycogen Glycogen: an animal carbohydrate

16. LE 5-8 Cellulose molecules Cellulose microfibrils in a plant cell wall Cell walls Microfibril Plant cells 0.5 µm  Glucose monomer

18. LE 5-20a A chain of amino acids = a protein

19. LE 5-20e Iron Heme Collagen Polypeptide chain Hemoglobin

20. LE 5-11b Fat molecule

21. LE 5-12a Saturated fat and fatty acid.

22. LE 5-12b Unsaturated fat and fatty acid.

23. LE 5-13 Structural formula Space-filling model Phospholipid symbol Hydrophilic head Hydrophobic tails Fatty acids Choline Phosphate Glycerol Hydrophobic tails Hydrophilic head Phospholipid: builds cell membranes