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Period ________ Name ________________ Organic Chem. Multiple Choice. Select the answer that best completes the sentence or answers the question. __________1. The study of all compounds that make up living things and that contain bonds between carbon atoms is called _____. a. Organismal Chemistry b. Biochemistry c. Organic Chemistry d. Inorganic Chemistry __________2. Macromolecules are formed by a process known as ________. a. monomerization b. Hydrolysis c. Polymerization d. Electrolysis __________3. All of the following foods would likely contain protein EXCEPT a. Fish b. Eggs c. Milk d. Vegetable oil __________4. The individual units that bond together in order to make up a polymer or macromolecule are called. a. atoms b. Hydrolysis c. factors d. monomers __________5. Starch is a polysaccharide made from ________. a. disaccharides b. C, H, O, N c. repeating glucose units d. amino acids __________6. An example of a disaccharide includes_______________. a. one glucose molecule b. three bonded fructose molecules c. two bonded glucose molecules d. ribose __________7. Water and lipids do not mix because a. water is nonpolar and lipids are polar c. lipids are cohesive b. water is dense d. water is polar and lipids are nonpolar _________8. People who are lactose intolerant lack ________ that is needed to break it down? a. a lipid b. an enzyme c. a sugar d. a carbohydrate Period ________ Name ________________ Look at the organic molecules below. Label each as one of the following: monosaccharide, disaccharide, starch or nucleic acid 9.___Disaccharide____ 10._nucleotide (monomer of nucleic acid) 11.__starch 12. Examine the diagram below and label each of the following by drawing an arrow from the term to the correct part on the diagram: monomer polymer 13. Organic molecules contain only a few different types of atoms. Write the names of those atoms on the spaces below. ___Carbon__________ Hydrogen____ ____Oxygen__ Nitrogen__ Phosphorus___ 14. What are three of the four main classes of organic molecules? (hint: think of the foods you eat and what molecules come from these foods) 3pts. Lipids, Carbohydrates, Proteins, Nucleic Acids 15. Explain why carbon can form bonds with so many other atoms, including itself. Remember it has to do with the carbon atom. (4 pts). Carbon has 4 electrons in its outer valence shell, it wants to share these electrons with other carbons and other atoms (especially other carbons, because 4+4=8, with 8 carbon has a full outer shell and is stable). In other words, one carbon can bond with 4 other carbons for a total of 8 electrons Period ________ Name ________________ Look at the diagrams of the organic molecules below. Label each as one of the following: monosaccharide, disaccharide, starch, amino acid, lipid or enzyme. 16.__Disaccharide__ 17.__Monosaccharide__ 18.____Starch_____ ro ov e 19.__Amino Acid_ 20.__Protein (enzyme)____ 21._____Lipid (saturated)____ ANALYZING CHEMICAL REACTIONS 22. Look at the figure above for the production of maltose. Explain what is being removed from the molecules and why it must be removed. Water must be removed to allow space for a bond to form between the two glucose molecules. This removal of water to join two monomers is called dehydration synthesis. The opposite reaction is called hydrolysis (breaking polymers apart)
