1. End Show 2–3 Carbon Compounds Slide 1 of 37 Do Now!!! Copy homework into agenda Have your homework on your desk for me to check When your body breaks down carbohydrates, what monomers are formed? –Why does your body need carbohydrates? Copyright Pearson Prentice Hall

2. End Show 2–3 Carbon Compounds Slide 2 of 37 Announcements Complete notes on Protein Complete notes for Levels of Organization Review Homework for Friday Copyright Pearson Prentice Hall

3. End Show 2–3 Carbon Compounds Slide 3 of 37 Copyright Pearson Prentice Hall Proteins Proteins are macromolecules that contain nitrogen, carbon, hydrogen, and oxygen. Monomers of protein are called amino acids.

4. End Show 2–3 Carbon Compounds Slide 4 of 37 Copyright Pearson Prentice Hall Proteins Amino acids There are 20 different types of Amino Acids. What makes them different?

5. End Show 2–3 Carbon Compounds Slide 5 of 37 Copyright Pearson Prentice Hall Proteins The portion of each amino acid that is different is a side chain called an R-group.

6. End Show 2–3 Carbon Compounds Slide 6 of 37 Copyright Pearson Prentice Hall Proteins The instructions for arranging amino acids into many different proteins are stored in DNA. Amino Acids Protein Molecule

7. End Show 2–3 Carbon Compounds Slide 7 of 37 Copyright Pearson Prentice Hall Proteins Functions of proteins: –Proteins called enzymes control rate of reactions –Used to form bones and muscles –Transport substances into or out of cells –Help to fight disease - antibodies

8. End Show 2–3 Carbon Compounds Slide 8 of 37 Pull out your notes from “Macromolecules Guided Notes” (Tuesday) Review Homework for Friday Copyright Pearson Prentice Hall

9. End Show 2–3 Carbon Compounds Slide 9 of 37 Complete the Protein section of the weekends homework (if not already done) Copyright Pearson Prentice Hall

10. End Show 2–3 Carbon Compounds Slide 10 of 37 Exit Slip Remember my cat Toby? The vet has recommended that my cat be on a high protein, low fat, low carbohydrate diet. Why would he encourage this diet, for my lazy fat cat? Copyright Pearson Prentice Hall

11. End Show - or - Continue to: Click to Launch: Slide 11 of 37 Copyright Pearson Prentice Hall 2–3

12. End Show Slide 12 of 37 Copyright Pearson Prentice Hall 2–3 Large carbohydrate molecules such as starch are known as a.lipids. b.monosaccharides. c.proteins. d.polysaccharides.

13. End Show Slide 13 of 37 Copyright Pearson Prentice Hall 2–3 Many lipids are formed from glycerol and a.fatty acids. b.monosaccharides. c.amino acids. d.nucleic acids.

14. End Show Slide 14 of 37 Copyright Pearson Prentice Hall 2–3 Which of the following statements about cellulose is true? a.Animals make it and use it to store energy. b.Plants make it and use it to store energy. c.Animals make it and use it as part of the skeleton. d.Plants make it and use it to give structural support to cells.

15. End Show Slide 15 of 37 Copyright Pearson Prentice Hall 2–3 A major difference between polysaccharides and proteins is that a.plants make polysaccharides, while animals make proteins. b.proteins are made of monomers, while polysaccharides are not. c.polysaccharides are made of monosaccharides, while proteins are made of amino acids. d.proteins carry genetic information, while polysaccharides do not.

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