1. How do you know this is an organic molecule? 2. Which letter in the enzyme catalysys graph represents the products? 3.Which letter represents the energy required for the non-catalyzed reaction? 4. Which letter represents the reactants? Carbon has been covalently bonded to other elements E C A

5. Is a nucleoside 6. Is a region responsible for DNA’s slightly negative charge. 7. Region where hydrogen bonds form. 8. Region where covalent bonds form. 9. A purine 10. A nucleotide CB A D E F G C B A D F E

11. Besides an R group, what two special “functional groups” does it take to complete an amino acid? 12. What type of bond holds one water molecule to another water molecule? 13. Where does the human body store glycogen (form of starch storage in humans) to use as an energy source? 14. In what form are carbohydrates stored in plants? An amine group (hydrogen and nitrogen), and a carboxyl group (COOH) hydrogen Liver (and muscle) starch

15. Describe primary protein structure. 16. Which protein structure is most associated with function of protein? 17. With which protein structure would you find alpha helix and beta pleated sheets? 18. Sucrase is an enzyme that breaks sucrose down into glucose and fructose. This is what type of reaction? 19. Is water added or removed in the above reaction? The primary structure is the sequence of amino acids in the polypeptide. Tertiary structure Secondary structure hydrolysis added

20. Because it takes a great deal of energy to raise the temperature of water by 1º C, it is said to have a _____ specific heat. 21. Which of the molecules below is MOST important to the fluidity of the plasma membrane? 22. Identify each of the molecules above by observing its basic structure. A B C D E high A: Carbohydrate; B: Lipid (saturated triglyceride); C: Amino Acid; D: Cholesterol; E: ATP

Use the following choices to answer questions below. A. Fats Fatty acids & Glycerol B. Proteins Amino Acids C. Starch Monosaccharides D. Amino Acids Polypeptides 23.An example of dehydration synthesis. 24.Requires the removal of water 25. Shows products (or reactants) that have no monomers. 26. Which other nucleic acid most resembles ATP? 27. What type of reaction requires the addition of water in order to break a molecule down? D D An RNA Adenine molecule Hydrolysis A

28. Tell me three things about this molecule: It’s a nucleic acid; It’s DNA; It’s a pyrimidine 29. What is area B representative of? Activation energy in the presence of the enzyme (enzyme catalyzed reaction) 30. Which structure in this amino acid makes it unique? 31. What type of bond holds hydrogen atoms to oxygen atoms to make water? The R group Polar covalent