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chapter 2 More

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
1. For the elements chlorine and calcium, the chemical symbols are _______ and ________.   show
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show 2A. Fe 2B. I  
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3. For the elements potassium and phosphorus, the chemical symbols are ______ and _______.   show
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4. For the elements cobalt and copper, the chemical symbols are _______ and ________.   show
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show 5A. Na 5B. S  
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6. An ionic bond is formed when atoms gain or lose _______________________.   show
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7. When atoms gain or lose electrons, a(n) __________________ bond is formed.   show
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8. An atom that has lost or gained electrons is called a(n) ________________________.   show
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show 9. valence  
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show 10. negative  
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show 11. positive  
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show 12. dissociation  
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13. Dissociation means that a molecule breaks into its ____________________.   show
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14. The bond between sodium and chloride in a molecule of NaCl is a(n) _____________ bond.   show
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show 15. covalent  
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show 16. four  
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17. An atom of oxygen has ________ electrons to share with other atoms.   show
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18. The bonds in a molecule of oxygen are _________________ bonds.   show
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19. The bonds between hydrogen and oxygen in a water molecule are ________________ bonds.   show
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show 20. hydrogen  
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show 21. proteins  
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22. The subunits of DNA and RNA are called _____________________________.   show
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show 23A. pentose sugar 23B. nitrogenous base  
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24. The subunits of a molecule of glycogen are molecules of ________________________.   show
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show 25A. glycogen 25B. starch; cellulose  
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show 26. glucose  
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show 27. hexose  
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28. The subunits of the true fats are ____________________ and ____________________.   show
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29. Fatty acids and glycerol are the subunits of the energy storage molecules called ____________________________.   show
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show 30. amino acids  
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31. Amino acids are the subunits of __________________________.   show
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32. The bonds between the amino acids in a protein are ___________________ bonds.   show
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show 33A. amino acids 33B. protein  
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34. The name for the water within blood vessels is _____________________.   show
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35. Plasma is the name for the water within _____________________________.   show
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show 36. lymph  
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37. The name for the water within cells is _________________________.   show
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38. The name for the water around cells is ___________________________.   show
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show 39. water  
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40. While sweating, the body loses heat by the process of _____________________________.   show
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41. The evaporation of sweat is a mechanism for the loss of ___________________________.   show
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42. A disadvantage of sweating is that it may lead to _________________________________.   show
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show 43. solvent  
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44. The sense of taste depends on the _____________________ function of water.   show
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45. The transport of minerals in the blood depends on the _______________________ function of water.   show
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46. The synovial fluid of joints is an example of the _______________________ function of water.   show
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show 47. lubricant  
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48. The genetic material of the chromosomes of a cell is ___________________________.   show
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show 49. chromosomes  
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50. The carbohydrates that form self antigens on cell membranes are the ___________________.   show
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51. Excess glucose is stored as ______________________ in the _________________________.   show
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52. The energy storage molecule in the liver is ________________________.   show
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show 53. glucose  
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show 54. glucose; monosaccharides  
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show 55. energy production  
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56. The polysaccharide that humans cannot digest is ______________________________.   show
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57. The polysaccharide that stimulates peristalsis of the colon is __________________________.   show
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show 58. true fat  
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show 59. phospholipids  
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show 60. cell membranes  
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show 61. cholesterol  
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show 62. steroid  
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63. Cells in the ovaries use cholesterol to synthesize ____________________________   show
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64. Cells in the testes use cholesterol to synthesize ____________________________.   show
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show 65. cholesterol  
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show 66. pentose sugars  
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67. Pentose sugars are part of the larger molecules _____________ and ______________.   show
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show 68A. glucose 68B. oxygen  
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69. The inorganic molecular products of cell respiration are ________________ and _______________.   show
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show 70A. ATP 70B. heat  
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71. The purpose of cell respiration is to produce ________________ from _________________.   show
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72. Biologically useful energy is released in cell respiration in the form of _________________.   show
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73. The waste product of cell respiration is _______________________________.   show
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74. The product of cell respiration that in excess will cause cellular pH to decrease is ____________________________.   show
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show 75. pH  
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show 76. iron  
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show 77A. calcium 77B. phosphorus  
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show 78. calcium  
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79. Two minerals that are needed for nerve impulse transmission are _________________ and _________________________   show
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show 80. nucleic acid  
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81. A large molecule made of the elements C, H, O, N, and S would most likely be a _______________________________.   show
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show 82. iodine  
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83. The trace element ___________________ is part of vitamin B12.   show
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84. On the pH scale, acids are indicated by numbers ________________________.   show
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85. On the pH scale, bases are indicated by numbers __________________________.   show
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show 86A. acidic  
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87. A solution with a pH of 10 is ________________, and has many _________________ ions.   show
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88. An acid has more ___________________ ions than does a neutral solution.   show
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show 89. hydroxyl  
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90. The normal pH range of blood is ________________________________.   show
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show 91. pH  
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show 92. buffer systems  
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93. The bicarbonate buffer system consists of carbonic acid and ________________________.   show
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show 94A. weak 94B. lower  
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show 95A. weak 95B. raise  
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show 96A. salt 96B. no  
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show 97. protein  
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show 98. enzyme  
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99. The function of enzymes is to be _______________________, which speed up reactions.   show
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100. The particular function of an enzyme depends on the ___________________ of its ____________________________.   show
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101. The active site of an enzyme is the place where the _________________ molecule(s) fit.   show
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show 102. active site  
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103. At the end of an enzymatic reaction, the enzyme itself is   show
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104. A heavy metal ion may exert toxic effects by blocking the ___________________ of enzymes.   show
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show 105. active site  
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106. A high fever may change the shape of enzymes; that is, enzymes become _________________________.   show
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107. A reaction that involves the formation of bonds is a ___________________ reaction.   show
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show 108. decomposition  
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109. A reaction in which small molecules are bonded to form a larger one is a ___________________ reaction.   show
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show 110. decomposition  
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