chapter 2 More Word Scramble

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Question	Answer
1. For the elements chlorine and calcium, the chemical symbols are _______ and ________.	1A. Cl 1B. Ca
2. For the elements iron and iodine, the chemical symbols are ________ and _________	2A. Fe 2B. I
3. For the elements potassium and phosphorus, the chemical symbols are ______ and _______.	3A. K 3B. P
4. For the elements cobalt and copper, the chemical symbols are _______ and ________.	4A. Co 4B. Cu
5. For the elements sodium and sulfur, the chemical symbols are ________ and ________.	5A. Na 5B. S
6. An ionic bond is formed when atoms gain or lose _______________________.	6. electrons
7. When atoms gain or lose electrons, a(n) __________________ bond is formed.	7. ionic
8. An atom that has lost or gained electrons is called a(n) ________________________.	8. ion
9. The number of positive or negative charges an ion has is called its ___________________.	9. valence
10. An anion is an ion with a __________________ charge.	10. negative
11. A cation is an ion with a _____________________ charge.	11. positive
12. A synonym for ionization (such as NaCl in water) is _________________________.	12. dissociation
13. Dissociation means that a molecule breaks into its ____________________.	13. ions
14. The bond between sodium and chloride in a molecule of NaCl is a(n) _____________ bond.	14. ionic
15. A bond in which electrons are shared between two atoms is a(n) __________________ bond.	15. covalent
16. An atom of carbon has _________ electrons to share with other atoms.	16. four
17. An atom of oxygen has ________ electrons to share with other atoms.	17. two
18. The bonds in a molecule of oxygen are _________________ bonds.	18. covalent
19. The bonds between hydrogen and oxygen in a water molecule are ________________ bonds.	19. covalent
20. The weak bonds that help maintain the 3-D shape of proteins and nucleic acids are ___________________ bonds.	20. hydrogen
21. Disulfide bonds help maintain the 3-D shape of _____________________.	21. proteins
22. The subunits of DNA and RNA are called _____________________________.	22. nucleotides
23. A nucleotide consists of a phosphate group, a _______________________, and a _____________________________.	23A. pentose sugar 23B. nitrogenous base
24. The subunits of a molecule of glycogen are molecules of ________________________.	24. glucose
25. Two polysaccharides made of glucose are ____________________ and _________________.	25A. glycogen 25B. starch; cellulose
26. Starches are plant polysaccharides made of _________________________.	26. glucose
27. Glucose is a monosaccharide called a ___________________ sugar.	27. hexose
28. The subunits of the true fats are ____________________ and ____________________.	28A. fatty acids 28B. glycerol
29. Fatty acids and glycerol are the subunits of the energy storage molecules called ____________________________.	29. true fats; triglycerides
30. The subunits of proteins are molecules called ____________________________.	30. amino acids
31. Amino acids are the subunits of __________________________.	proteins
32. The bonds between the amino acids in a protein are ___________________ bonds.	32. peptide
33. Peptide bonds are found between the ______________________ in a molecule of _____________________.	33A. amino acids 33B. protein
34. The name for the water within blood vessels is _____________________.	34. plasma
35. Plasma is the name for the water within _____________________________.	35. blood vessels
36. The name for the water in lymph vessels is ________________________.	36. lymph
37. The name for the water within cells is _________________________.	37. intracellular fluid
38. The name for the water around cells is ___________________________.	38. tissue fluid; intercellular fluid; interstitial fluid
39. The body as a whole changes temperature slowly because the body is mostly _____________.	39. water
40. While sweating, the body loses heat by the process of _____________________________.	40. evaporation
41. The evaporation of sweat is a mechanism for the loss of ___________________________.	41. excess heat
42. A disadvantage of sweating is that it may lead to _________________________________.	42. dehydration
43. The excretion of waste products in urine depends on the _______________________ function of water	43. solvent
44. The sense of taste depends on the _____________________ function of water.	44. solvent
45. The transport of minerals in the blood depends on the _______________________ function of water.	45. solvent
46. The synovial fluid of joints is an example of the _______________________ function of water.	46. lubricant
47. The mucus of the large intestine is an example of the _______________________ function of water.	47. lubricant
48. The genetic material of the chromosomes of a cell is ___________________________.	48. DNA
49. DNA is the genetic material in the ___________________________ of a cell.	49. chromosomes
50. The carbohydrates that form self antigens on cell membranes are the ___________________.	50. oligosaccharides
51. Excess glucose is stored as ______________________ in the _________________________.	51A. glycogen 51B. liver; muscles
52. The energy storage molecule in the liver is ________________________.	52. glycogen
53. Glycogen is the storage form for excess __________________________.	53. glucose
54. Starches from plants are digested by people to ____________________________.	54. glucose; monosaccharides
55. A disaccharide such as sucrose is used by the body for ____________________________.	55. energy production
56. The polysaccharide that humans cannot digest is ______________________________.	56. cellulose
57. The polysaccharide that stimulates peristalsis of the colon is __________________________.	57. cellulose
58. The energy-storage molecule in adipose tissue is ____________________________.	58. true fat
59. The lipids that form the largest part of cell membranes are the _________________________.	59. phospholipids
60. Phospholipids are present in all human cells as part of _______________________________.	60. cell membranes
61. The precursor molecule for the steroid hormones is _____________________________.	61. cholesterol
62. Cholesterol is the precursor molecule from which the ______________________ hormones are made.	62. steroid
63. Cells in the ovaries use cholesterol to synthesize ____________________________	63. estrogen
64. Cells in the testes use cholesterol to synthesize ____________________________.	64. testosterone
65. The steroid molecule that is part of cell membranes is __________________________.	65. cholesterol
66. The monosaccharides that are part of DNA and RNA are the ________________________.	66. pentose sugars
67. Pentose sugars are part of the larger molecules _____________ and ______________.	67A. DNA 67B. RNA
68. The raw materials of cell respiration are ________________ and ___________________.	68A. glucose 68B. oxygen
69. The inorganic molecular products of cell respiration are ________________ and _______________.	69A. carbon dioxide 69B. water
70. The energy products of cell respiration are __________________ and _______________.	70A. ATP 70B. heat
71. The purpose of cell respiration is to produce ________________ from _________________.	71A. ATP 71B. glucose; food
72. Biologically useful energy is released in cell respiration in the form of _________________.	72. ATP
73. The waste product of cell respiration is _______________________________.	73. carbon dioxide
74. The product of cell respiration that in excess will cause cellular pH to decrease is ____________________________.	74. carbon dioxide
75. The accumulation of carbon dioxide will cause the _____________ of body fluids to decrease.	75. pH
76. The mineral that carries oxygen in red blood cells is ________________________.	76. iron
77. Two minerals that provide strength in bones are ______________________ and __________________________.	77A. calcium 77B. phosphorus
78. The mineral necessary for blood clotting is ___________________________.	78. calcium
79. Two minerals that are needed for nerve impulse transmission are _________________ and _________________________	79A. sodium 79B. potassium
80. A large molecule made of the elements C, H, O, N, and P would most likely be a ______________________________.	80. nucleic acid
81. A large molecule made of the elements C, H, O, N, and S would most likely be a _______________________________.	81. protein
82. The trace element ___________________ is part of some thyroid hormones.	82. iodine
83. The trace element ___________________ is part of vitamin B12.	83. cobalt
84. On the pH scale, acids are indicated by numbers ________________________.	84. below 7
85. On the pH scale, bases are indicated by numbers __________________________.	85. above 7
86. A solution with a pH of 2 is _________________, and has many _________________ ions.	86A. acidic
87. A solution with a pH of 10 is ________________, and has many _________________ ions.	87A. basic; alkaline 87B. hydroxyl
88. An acid has more ___________________ ions than does a neutral solution.	88. hydrogen
89. A base has more ____________________ ions than does a neutral solution.	89. hydroxyl
90. The normal pH range of blood is ________________________________.	90. 7.35 to 7.45
91. The purpose of a buffer system is to prevent large changes in ______________________.	91. pH
92. Large changes in the pH of the blood are prevented by chemicals called _______________________.	92. buffer systems
93. The bicarbonate buffer system consists of carbonic acid and ________________________.	93. sodium bicarbonate
94. Carbonic acid is a _____________ acid that will only slightly _____________ pH.	94A. weak 94B. lower
95. Sodium bicarbonate is a ____________ base that will only slightly ______________ pH.	95A. weak 95B. raise
96. Sodium chloride is a ______________ that has ______________ effect on pH.	96A. salt 96B. no
97. All enzymes are made of the organic molecule ______________________.	97. protein
98. A protein that speeds up a reaction yet remains unchanged is called a(n) ________________.	98. enzyme
99. The function of enzymes is to be _______________________, which speed up reactions.	99. catalysts
100. The particular function of an enzyme depends on the ___________________ of its ____________________________.	100A. shape 100B. active site
101. The active site of an enzyme is the place where the _________________ molecule(s) fit.	101. substrate
102. The shape of an enzyme creates an _____________________, where the substrate molecule(s) fit.	102. active site
103. At the end of an enzymatic reaction, the enzyme itself is	103. unchanged
104. A heavy metal ion may exert toxic effects by blocking the ___________________ of enzymes.	104. active sites
105. A change in pH may disrupt enzyme functioning because H+ ions change the shape of the ________________________.	105. active site
106. A high fever may change the shape of enzymes; that is, enzymes become _________________________.	106. denatured
107. A reaction that involves the formation of bonds is a ___________________ reaction.	107. synthesis
108. A reaction that involves the breaking of bonds is a _____________________ reaction.	108. decomposition
109. A reaction in which small molecules are bonded to form a larger one is a ___________________ reaction.	109. synthesis
110. A reaction in which a large molecule is broken down into smaller ones is a _________________________ reaction.	110. decomposition

Created by: tking3612