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Chapter 2: Chemistry of Life Questions 1. 2. 3. 4. What is the study of all compounds that contain bonds between carbon atoms? Why are carbon atoms so special? What do you call molecules that are made from thousands or even hundreds of thousands of smaller molecules? List the four groups of organic compounds found in living things. (4) Carbohydrates 5. 6. 7. 8. 9. 10. 11. What two functions do living things use carbohydrates for? Why do organisms break down sugars? How do living things store extra sugar? What are single sugar molecules called? Name three examples of a monosaccharide. (3) What are large molecules made from monosaccharides called? Make a molecular drawing of glucose. Lipids 12. 13. 14. 15. 16. Are lipids soluble in water? What are the three categories of lipids? (3) Name two functions of lipids. (2) Many lipids are formed when a glycerol molecule combines with what? Make a molecular drawing of a lipid. Nucleic Acids 17. 18. 19. 20. 21. 22. What chemical is unique to nucleic acids? Nucleic acids are assembled from monomers known as what? Name the three parts of a nucleotide. (3) What is the function of nucleic acids? What are the two types of nucleic acids? (2) Make a molecular drawing of a nucleotide. Proteins 23. 24. 25. 26. 27. 28. Proteins are polymers of molecules called what? Make a molecular drawing of the general structure of an amino acid. How many amino acids are found in nature? Where are the instructions for arranging amino acids into many different proteins stored? Name three functions of proteins. (3) What determines the function of a protein? Types of proteins: Enzymes/ Catayist 29. 34 35 36 37 38 39 The compounds produced by a chemical reaction are called what? What is the name for a substance that speeds up chemical reactions? What do you call proteins that act as biological catalysts? What is the function of enzymes? How many chemical reactions does each enzyme catalyze? How are enzymes named? Name two variables that can affect the action of enzymes. (2)