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Organic Compounds Test ~Please DO NOT write on the test!~ 1. Glucose and Galactose are examples of A. Carbohydrates C. Proteins B. Lipids D. Nucleic acids 2. Which class of organic molecules is used for long term energy storage in animals? A. Glucose B. Triglycerides C. Waxes D. Amino acids E. Proteins 3. Which set of atoms are characteristic of nucleic acids? A. Ca, Fe, K B. C, H, O C. C, H, O, P D. C, H, O, N, S E. C, H, O, N, P 4. Which set of atoms are characteristics of carbohydrates? A. Ca, Fe, K B. C, H, O C. C, H, O, P D. C, H, O, N, S E. C, H, O, N, P Use the following diagrams to answer questions 5-8. 5. 6. 7. 8. Which depicts glucose? Which depicts a monomer of a protein? Which depicts a monomer of fats or oils? Which depicts a nucleic acid? 9. A monomer is A. a single unit of a macromolecule B. multiple units of a macromolecules that are bonded together C. same as a molecule D. the entire structure of a macromolecule 10. A major characteristic that all lipids have in common is A. They all contain phosphorus B. They all contain nitrogen C. None of them are very high in energy content D. They are all acidic when mixed with water E. They don’t dissolve in water 11. Which of the following is NOT the proper pairing of a polymer and its monomer? A. polysaccharide and monosaccharide B. fatty acids and steroid C. nucleic acid and nucleotide D. protein and nucleic acids E. All of the pairs properly reflect a polymer and its corresponding monomer. 12. Which of the following is NOT a type of protein? A. hemoglobin B. collagen C. enzymes D. insulin E. all of these are proteins 13. Proteins would most likely be found in which of the following foods? A. Corn Starch B. Water C. Eggs D. Vegetable Oil 14. A macromolecule composed of long chains of monomers bonded together are called A. monomers B. disaccharides C. polymers D. chains 15. Lipids would most likely be found in which of the following foods? A. Corn Starch B. Water C. Eggs D. Vegetable Oil 16. Starch is the storage of energy in A. Animals B. Plants C. Both D. Neither 17. Three fatty acids bonded to a glycerol head is call a A. ATP C. phospholipid B. nucleic acid D. triglyceride 18. Carbohydrates would most likely be found in which of the following foods? A. Corn Starch B. Water C. Eggs D. Vegetable Oil 19. Glycogen is the storage of energy in A. Animals B. Plants C. Both D. Neither 20. The monomer of lipids is A. Amino Acid B. Monosaccharide C. Nucleotide 21. A nucleic acid is made of a ______, sugar, and base. a. nitrogen b. phosphate c. amino acid D. Triglyceride d. Carbon 22. Which list consists of only polymers? A. sugars, amino acids, nucleic acids, lipids B. proteins, lipids, nucleic acids, amino acids C. proteins, lipids, nucleic acids, monosaccharides D. proteins, lipids, nucleic acids, polysaccharides 23. Cellulose differs from glycogen in that A. The monomers of cellulose are held together by covalent bonds, whereas the monomers of glycogen are held together by hydrogen bonds. B. glycogen is formed by plants and cellulose by animals C. cellulose is formed by plants and glycogen by animals D. they are the same 24. A carbohydrate with two monomers is called a A. double monomer C. polysaccharide B. disaccharide D. glucose 25. Which of the following substances is NOT a lipid? A. wax C. nucleic acids B. steroids D. triglycerides 26. Estrogen, cholesterol, and other steroids are examples of A. Polysaccharides C. Polypeptides B. Lipids D. Nucleic acids 27. RNA has how many strands of nucleic acids? a. 0 b. 1 c. 2 d. 3 28. DNA has how many strands of nucleic acids? a. 0 b. 1 c. 2 d. 3 29. ___________ has the elements Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio. A. Carbohydrates C. Proteins B. Lipids D. Nucleic Acids 30. The most concentrated source of stored energy is a molecule of A. DNA C. Fat B. Cellulose D. Glucose 31. Cellulose is a ________ made of many _________. A. Polypeptide…monomers B. Carbohydrate…fatty acids C. Polymer…glucose molecules D. Protein…amino acids E. Lipid…triglycerides 32. ____________ is made of a sugar, phosphate, and base. A. Carbohydrates C. Proteins B. Lipids D. Nucleic Acids 33. The bonds that connect amino acids in a protein are called A. Amino acids D. Peptide bonds B. Polysaccharides E. Nucleotides C. Monosaccharides 34. The monomer of Nucleic Acids is A. Amino Acid B. Monosaccharide C. Nucleotide D. Triglyceride 35. Which of the following would represent an amino acid? A. CuSO4 C. CHON B. C6H12O6 D. CH2O6NP 36. ____________ has the elements Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphate in it. A. Carbohydrates C. Proteins B. Lipids D. Nucleic Acids 37. Which of the following would represent a carbohydrate? A. CuSO4 C. CHON B. C6H12O6 D. CH2O6NP 38. Which of the following would represent a nucleic acid? A. CuSO4 C. CHON B. C6H12O6 D. CH2O6NP 39. Why are proteins important to life? a. They are a short term energy source for plants. b. They are the building blocks of DNA. c. They provide insulation for warmth d. They are the building blocks of cells. 40. Why are organic molecules so diverse? A. They form mirror images of each other B. They contain oxygen which has 6 valence electrons C. They form when any naturally occurring elements combine D. They have carbon skeletons that vary greatly in arrangement