<p> Name: ______Date: ______Period: ______Macromolecule Review</p><p>1. Draw the functional groups for alcohols, carboxylic acids, and amines.</p><p>2. Most carbohydrates eaten by humans are in which two forms? </p><p>3. What is the function of starch? </p><p>4. A starch molecule is a chain of what simple sugar units? </p><p>5. What is the function of glycogen? </p><p>6. What process splits polysaccharides into monosaccharides? </p><p>7. The formation of a disaccharide from two monosaccharides is a reaction called a ______reaction.</p><p>8. Which common polysaccharide cannot be used by humans as an energy source? Explain. </p><p>9. The molecule formed when several sugar units are joined is called a</p><p> a) polypeptide (b) disaccharide (c) dipeptide (d) polysaccharide Name: ______Date: ______Period: ______10. Which one of the following molecules is a disaccharide</p><p> a) cellulose (b) glycogen (c) maltose (d) amylase</p><p>11. The food that we consider roughage contains large amounts of ______, a polysaccharide. </p><p>12. Why is fiber considered to be an important part of a healthy diet? </p><p>13. Name the building blocks of triglycerides. </p><p>14. How does the structure of an unsaturated fatty acid differ from the structure of a saturated fatty acid? Give an example of a food that contains each.</p><p>15. Explain why some fatty acids are solid at room temperature while others are liquid. </p><p>16. Which type of organisms tend to make saturated fatty acids? </p><p>17. When you consume more food than you need for energy, the excess is stored in the form of triglycerides. Why are triglycerides particularly useful for this purpose? </p><p>18. What property do all lipids share? Name: ______Date: ______Period: ______19. Saturated is to single bond as ______is to double bond. </p><p>20. Why is a protein called a polypeptide? </p><p>21. Explain the difference between a dipeptide, polypeptide, and a protein. </p><p>22. Draw the general formula for an amino acid.</p><p>23. A peptide bond is always formed between the ______group of one ______and the ______group of the next.</p><p>24. Using a structural formula diagram, show how a peptide bond is formed between two amino acids. </p><p>25. Discuss one type of interaction that can occur between the R groups of an amino acid sequence.</p><p>26. What makes one amino acid differ from another? </p><p>27. How does having different R groups make amino acids ideal building blocks for proteins? Name: ______Date: ______Period: ______28. Why are some amino acids soluble in water while others are not? </p><p>29. Name three functions of proteins in a living organism.</p><p>30. Which of these things is not like the others? </p><p> a) fiber (b) sugar (c) starch (d) cellulose (e) fat</p><p>31. Which elements are found in proteins but not in either carbohydrates or lipids. </p><p>32. Identify the basic building units for the organic compounds: a) Protein = ______(b) Triglyceride =______(c) Carbohydrate= ______(d) Nucleic acids = ______</p><p>33. Proteins are to amino acids as polysaccharides are to . </p><p>34. What are the three component building blocks of nucleic acids? </p><p>35. How many nitrogen bases are there? Name them all.</p>