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Chemistry 102 Final Exam A May 8, 2000 Dr. B. Jackson 1 - 7 Identify the following as a) monosaccharide b) disaccharide c) polysaccharide 1. Glycogen 2. Fructose 3. Ribose 4. Maltose 5. Amylose 6. Lactose 7. Cellulose 8. Which form of sugar is the predominant one found in nature? a) D form b) L form 9 - 15 Tell whether the following pathways are located in a) mitochondria b) nucleus c) cytoplasm d) endoplasmic reticulum 9. Embdem-Myerhof Pathway (glycolysis) 10. Protein synthesis 11. Citric Acid Cycle 12. Fatty acid synthesis 13. Fatty acid oxidation 14. Electron Transport System 15. DNA replication
16. Hydrolysis of sucrose yields a) glucose + glucose b) glucose + galactose c) glucose + fructose 17 - 22 Use the following answers a) 2 b) 3 c) 6 d) 12 e) 36 17. How many net ATP=s are generated when lactic acid is the end product of glycolysis? 18. How many net ATP=s are generated when pyruvic acid is the end product of glycolysis? 19. For each FADH*H generated in the mitochondria and oxidized in the mitochondria, how many ATP=s are generated? 20. For each NADH*H generated in the mitochondria and oxidized in the mitochondria, how many ATP=s are generated? 21. How many ATP=s are generated per turn of the Citric Acid Cycle?
22. How many net ATP=s are generated when 1 mole of glucose is completely oxidized to CO2 and H2O? 23. Trans fatty acids are thought to a) lower the >bad= cholesterol b) increase the cancer risk 24. Glucagon ________ the glucose level in the blood. a) raises b) lowers 25. ω3 means the fatty acid has 3 double bonds. a) true b) false 26. The lipid transport protein having the highest concentration of lipid is the ______. a) HDL b) LDL c) chylomicrons d) VLDL 27. Which of the following is not an essential fatty acid? a) oleic b) linoleic acid c) linolenic acid 28. Which of the following is needed for the synthesis of prostaglandins? a) arachidonic acid b) triglyceride c) cholesterol d) lecithin 29. Testosterone is synthesized from a) prostaglandins b) phospholipids c) cholesterol 30. How many times does a 14 carbon fatty acid go through the β oxidation pathway? a) 1 b) 6 c) 7 d) 14 31. Which base does guanine pair up with? a) adenine b) uracil c) cytosine d) thymine 32. Which of the following is present in only DNA? a) adenine b) uracil c) cytosine d) thymine e) guanine 33. ATP contains a a) purine b) pyrimidine 34. When a purine pairs up with a pyrimidine, what holds them together? a) sulfur bonds b) covalent carbon-carbon bonds c) hydrogen bonding 35. Given the following genetic code phenylalanine - uuu glycine - ggu alanine - gcu uuc ggc gcc What is the dipeptide formed by the following sequence gcc-uuc ? a) alanine-glycine b) alanine- phenylalanine c) glycine-phenylalanine d) alanine-alanine 36. A section of DNA to be coded read ATTGCC, what would be the anticodons on the two tRNA ? a) UAA & CGG b) AUU & GCC c) TUU & CGG 37. How many gene mutations take place for colon cancer to develop? a) 1 b) 2 c) 3 d) 4 e) 5 38 - 42 Tell whether the following amino acids are a) aromatic b) basic c) acidic d) sulfur containing 38. Cysteine 39. Glutamic acid 40. Lysine 41. Tyrosine 42. Tryptophan 43. The primary structure of a protein refers to its shape. a) true b) false 44. Which of the following is considered a humectant? a) GABA b) BHT c) MSG d) glycerol 45 - 48 Use the following answers a) Vitamin A b) Riboflavin c) Vitamin B12 d) Vitamin D e) Vitamin E 45. Contains cobalt 46. Involved in the electron transport system 47. Deficiency causes night blindness 48. Added to milk 49. Which of the following is a fat soluble vitamin? a) ascorbic acid b) biotin c) thiamin d) Vitamin D e) pyridoxine
50. What is the theme song of clones? a) I gotta be me, me, me, and me. Ans: 1c;2a;3a;4b;5c;6b;7c;8a;9c;10c;11a;12c;13a14a;15b;16c;17a;18c;19a;20b;21d;22e;23b;24a; 25b;26c;27a;28a;29c;30b;31c;32d;33a;34c;35b;36b;37d;38d;39c;40b;41a;42a;43b;44d;45c;46b; 47a;48d;49d;50a |
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Wednesday, March 21, 2007 01:27:59 PM |