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Anatomy & Physiology The Unity of Form and Function 8th Edition by Saladin Test Bank
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Chapter 02 The Chemistry of Life Answer Key
True / False Questions
1. | Minerals are organic elements extracted from the soil by plants.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: List the important dietary minerals and describe the major uses of each mineral in the body. HAPS Topic: Module O01 Nutrition. Learning Outcome: State the functions of minerals in the body. Section: Topic: Atoms and molecules |
2. | Molecules composed of two or more atoms are called compounds.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Compare and contrast the terms atoms, molecules, elements, and compounds. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Distinguish between elements and compounds. Section: Topic: Atoms and molecules |
3. | Hydrogen, deuterium, and tritium are three isotopes of hydrogen.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Explain how ions and isotopes are produced by changing the relative number of specific subatomic particles with respect to the structure of an atom. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Explain the basis for radioactivity and the types and hazards of ionizing radiation. Section: Topic: Atoms and molecules |
4. | Potassium, sodium, and chlorine are trace elements.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast the terms atoms, molecules, elements, and compounds. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Distinguish between elements and compounds. Section: Topic: Atoms and molecules |
5. | Ionic bonds break apart in water more easily than covalent bonds do.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: List each type of bond in order by relative strength with respect to non-polar covalent, polar covalent, ionic, and hydrogen bonds. HAPS Topic: Module C02 Chemical bonding. Learning Outcome: Define the types of chemical bonds. Section: Topic: Chemical bonding |
6. | A solution is a mixture of two or more substances that are physically blended but not chemically combined.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Distinguish among the terms solution, solute, solvent, colloid suspension, and emulsion. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Show how three kinds of mixtures differ from each other. Section: Topic: Inorganic compounds and solutions |
7. | The pH of blood plasma is approximately , which is slightly acidic.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: State acidic, neutral, and alkaline pH values. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Define acid and base and interpret the pH scale. Section: Topic: Inorganic compounds and solutions |
8. | The high heat capacity of water makes it a very ineffective coolant.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Discuss the physiologically important properties of water. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Describe the biologically important properties of water. Section: Topic: Inorganic compounds and solutions |
9. | In an exchange reaction, covalent bonds are broken and new covalent bonds are formed.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define and give examples of dehydration synthesis and hydrolysis reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: List and define the fundamental types of chemical reactions. Section: Topic: Chemical bonding |
10. | Chemical reactions in which larger molecules are broken down into smaller ones are called catabolic reactions.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: Define metabolism and its two subdivisions. Section: Topic: Atoms and molecules |
11. | The opposite of a dehydration synthesis reaction is a hydrolysis reaction.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define and give examples of dehydration synthesis and hydrolysis reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: List and define the fundamental types of chemical reactions. Section: Topic: Atoms and molecules |
12. | Unsaturated fatty acids have as much hydrogen as they can carry.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Compare and contrast general molecular structure of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of lipids. Section: Topic: Organic compounds |
13. | A dipeptide is a molecule with two peptide bonds.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Identify the monomers and polymers of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss protein structure and function. Section: Topic: Organic compounds |
14. | All amino acids have both a carboxyl group and an amino group attached to a central carbon.
TRUE |
Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast general molecular structure of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss protein structure and function. Section: Topic: Organic compounds |
15. | ATP is the body’s most important form of long-term energy storage.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Describe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cell. HAPS Topic: Module C05 Energy transfer using ATP. Learning Outcome: Describe the structure, production, and function of ATP. Section: Topic: Energy transfer using ATP |
Multiple Choice Questions
16. | The most abundant element in the human body, by weight, is __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast the terms atoms, molecules, elements, and compounds. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Identify the elements of the body from their symbols. Section: Topic: Atoms and molecules |
17. | Sodium has an atomic number of 11 and an atomic mass of 23. Sodium has __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Distinguish among the terms atomic number, mass number and atomic weight with respect to the structure of an atom. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Identify the elements of the body from their symbols. Section: Topic: Atoms and molecules |
18. | The chemical properties of an atom are determined by its __________.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Relate the number of electrons in an electron shell to an atoms chemical stability and its ability to form chemical bonds with respect to the structure of an atom. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Distinguish between elements and compounds. Section: Topic: Atoms and molecules |
19. | Na (atomic no. 11) reacts with Cl (atomic no. 17) to become stable. In the reaction, Na will ____________, while Cl will ____________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Explain the mechanism of each type of non-polar covalent, polar covalent, ionic, and hydrogen bonds. HAPS Topic: Module C02 Chemical bonding. Learning Outcome: Define the types of chemical bonds. Section: Topic: Chemical bonding |
20. | Oxygen has an atomic number of 8 and an atomic mass of 16. How many valence electrons does it have?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Distinguish among the terms atomic number, mass number and atomic weight with respect to the structure of an atom. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Distinguish between elements and compounds. Section: Topic: Atoms and molecules |
21. | Oxygen has an atomic number of eight. When two oxygen atoms come together, they form a(n) __________ bond.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Explain the mechanism of each type of non-polar covalent, polar covalent, ionic, and hydrogen bonds. HAPS Topic: Module C02 Chemical bonding. Learning Outcome: Define the types of chemical bonds. Section: Topic: Chemical bonding |
22. | When table salt, sodium chloride (NaCl), is placed in water __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Explain the mechanism of each type of non-polar covalent, polar covalent, ionic, and hydrogen bonds. HAPS Topic: Module C02 Chemical bonding. Learning Outcome: Define the types of chemical bonds. Section: Topic: Chemical bonding |
23. | The bonding properties of an atom are determined by its __________.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Relate the number of electrons in an electron shell to an atoms chemical stability and its ability to form chemical bonds with respect to the structure of an atom. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Define the types of chemical bonds. Section: Topic: Chemical bonding |
24. | What type of bond attracts one water molecule to another?
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Explain the mechanism of each type of non-polar covalent, polar covalent, ionic, and hydrogen bonds. HAPS Topic: Module C02 Chemical bonding. Learning Outcome: Define the types of chemical bonds. Section: Topic: Chemical bonding |
Check All That Apply Questions
25. | Which of these is a cation? Check all that apply.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Compare and contrast the terms ions, electrolytes, free radicals, isotopes and radioisotopes. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Distinguish between ions, electrolytes, and free radicals. Section: Topic: Chemical bonding |
Multiple Choice Questions
26. | __________ account for of the body’s weight.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast the terms atoms, molecules, elements, and compounds. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Identify the elements of the body from their symbols. Section: Topic: Atoms and molecules |
27. | __________ differ from one another in their number of neutrons and atomic mass.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast the terms ions, electrolytes, free radicals, isotopes and radioisotopes. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Explain the basis for radioactivity and the types and hazards of ionizing radiation. Section: Topic: Atoms and molecules |
28. | When jumping into water you notice resistance. This resistance is caused by water’s __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Discuss the physiologically important properties of water. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Describe the biologically important properties of water. Section: Topic: Inorganic compounds and solutions |
29. | Which of these is hydrophobic?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Discuss the physiologically important properties of water. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Describe the biologically important properties of water. Section: Topic: Inorganic compounds and solutions |
30. | Blood contains NaCl, protein, and cells. The NaCl is in a(n) __________, the protein is in a(n) __________, and the cells are in a __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Distinguish among the terms solution, solute, solvent, colloid suspension, and emulsion. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Show how three kinds of mixtures differ from each other. Section: Topic: Inorganic compounds and solutions |
31. | Which of these is the most appropriate to express the number of molecules per volume?
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Distinguish among the terms solution, solute, solvent, colloid suspension, and emulsion. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Discuss some ways in which the concentration of a solution can be expressed, and the kinds of information we can derive from the different units of measure. Section: Topic: Inorganic compounds and solutions |
32. | A solution with pH 4 has __________ the H+ concentration of a solution with pH 8.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define the terms pH, acid, base, and buffer and give examples of physiological significance. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Define acid and base and interpret the pH scale. Section: Topic: Inorganic compounds and solutions |
33. | Which of these has the highest H+ concentration?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: State acidic, neutral, and alkaline pH values. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Define acid and base and interpret the pH scale. Section: Topic: Inorganic compounds and solutions |
34. | In a workout your muscle cells produce lactate, yet you maintain a constant blood pH because _________.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define the terms pH, acid, base, and buffer and give examples of physiological significance. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Define acid and base and interpret the pH scale. Section: Topic: Inorganic compounds and solutions |
35. | A solution that resists a change in pH when an acid or base is added to it is a(n) __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Define the terms pH, acid, base, and buffer and give examples of physiological significance. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Define acid and base and interpret the pH scale. Section: Topic: Inorganic compounds and solutions |
36. | A chemical reaction that removes electrons from an atom is called a(n) __________ reaction.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Describe the processes of oxidation, reduction, decarboxylation, and phosphorylation. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: Define oxidation and reduction, and relate these to changes in the energy content of a molecule. Section: Topic: Atoms and molecules |
37. | The most relevant free energy in human physiology is the energy stored in __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: Define energy and work, and describe some types of energy. Section: Topic: Atoms and molecules |
38. | The breakdown of glycogen (an energy-storage compound) is an example of a(n) __________ reaction.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: List and define the fundamental types of chemical reactions. Section: Topic: Atoms and molecules |
39. | Potential energy stored in bonds is released as __________ energy.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: List and define the fundamental types of chemical reactions. Section: Topic: Atoms and molecules |
40. | The breakdown of glucose to yield carbon dioxide, oxygen, and ATP can be described as __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: Define metabolism and its two subdivisions. Section: Topic: Cellular respiration |
41. | Which one of the following would not increase the rate of a reaction?
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Demonstrate factors that affect enzyme activity, including denaturation, and interpret graphs showing the effects of various factors on the rate of enzyme- catalyzed reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Identify the factors that govern the speed and direction of a reaction. Section: Topic: Atoms and molecules |
42. | Which of the following terms encompasses all of the other ones?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: Define metabolism and its two subdivisions. Section: Topic: Atoms and molecules |
43. | The breakdown of starch by digestive enzymes into glucose molecules is a(n) __________ reaction.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: List and define the fundamental types of chemical reactions. Section: Topic: Atoms and molecules |
44. | Which of the following equations depicts an exchange reaction?
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define and give examples of dehydration synthesis and hydrolysis reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Understand how chemical reactions are symbolized by chemical equations. Section: Topic: Atoms and molecules |
45. | A(n) __________ is a group of atoms that determines many of the properties of an organic molecule.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Identify the monomers and polymers of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Identify some common functional groups of organic molecules from their formulae. Section: Topic: Organic compounds |
46. | Which of the following is not an organic compound?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Define the term organic molecule. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Explain why carbon is especially well suited to serve as the structural foundation of many biological molecules. Section: Topic: Organic compounds |
47. | A __________ reaction breaks a __________ down into its monomers.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Define and give examples of dehydration synthesis and hydrolysis reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the relevance of polymers to biology and explain how they are formed and broken by dehydration synthesis and hydrolysis. Section: Topic: Organic compounds |
48. | The formula of an amino group is __________; the formula of a carboxyl group is __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Identify the monomers and polymers of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Identify some common functional groups of organic molecules from their formulae. Section: Topic: Organic compounds |
49. | Table sugar is a disaccharide called __________ and is made up of the monomer(s) __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Identify the monomers and polymers of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of carbohydrates. Section: Topic: Organic compounds |
50. | Which of the following is a disaccharide?
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Identify the monomers and polymers of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of carbohydrates. Section: Topic: Organic compounds |
51. | __________ is a monosaccharide, whereas __________ is a polysaccharide.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Provide specific examples of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of carbohydrates. Section: Topic: Organic compounds |
52. | In general, __________ have a 2:1 ratio of hydrogen to oxygen.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Compare and contrast general molecular structure of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of carbohydrates. Section: Topic: Organic compounds |
53. | Proteoglycans are composed of __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Provide specific examples of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of carbohydrates. Section: Topic: Organic compounds |
54. | Triglycerides consist of a 3-carbon compound called __________ bound to three __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast general molecular structure of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of lipids. Section: Topic: Organic compounds |
55. | __________ are major components of cell membranes, and are said to be __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Provide specific examples of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of lipids. Section: Topic: Organic compounds |
56. | Which of these molecules is hydrophobic?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Provide specific examples of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the types and functions of lipids. Section: Topic: Organic compounds |
57. | Proteins perform all of the following functions except __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Discuss physiological and structural roles in the human body of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss protein structure and function. Section: Topic: Organic compounds |
58. | A drastic conformational change in a protein in response to extreme heat or pH is called __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Demonstrate factors that affect enzyme activity, including denaturation, and interpret graphs showing the effects of various factors on the rate of enzyme- catalyzed reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss protein structure and function. Section: Topic: Organic compounds |
59. | Proteins are __________ built from __________ different amino acids.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Describe the four levels of protein structure and discuss the importance of protein shape for protein function. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss protein structure and function. Section: Topic: Organic compounds |
60. | The folding and coiling of a protein into a globular shape is the __________ structure of the protein.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Describe the four levels of protein structure and discuss the importance of protein shape for protein function. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss protein structure and function. Section: Topic: Organic compounds |
61. | An enzyme is substrate-specific because of the shape of its __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Describe the four levels of protein structure and discuss the importance of protein shape for protein function. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Explain how enzymes function. Section: Topic: Organic compounds |
62. | __________ is the substrate of __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Demonstrate factors that affect enzyme activity, including denaturation, and interpret graphs showing the effects of various factors on the rate of enzyme- catalyzed reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Explain how enzymes function. Section: Topic: Organic compounds |
63. | All enzymes are __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Demonstrate factors that affect enzyme activity, including denaturation, and interpret graphs showing the effects of various factors on the rate of enzyme- catalyzed reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Explain how enzymes function. Section: Topic: Organic compounds |
64. | Nucleic acids are __________ of __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Identify the monomers and polymers of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Identify the principal types of nucleic acids. Section: Topic: Nucleic acids: DNA and RNA Topic: Organic compounds |
65. | ATP__________ endergonic and exergonic reactions.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Describe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cell. HAPS Topic: Module C05 Energy transfer using ATP. Learning Outcome: Describe the structure, production, and function of ATP. Section: Topic: Energy transfer using ATP Topic: Organic compounds |
66. | Minerals are found in all of the following except __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: List the important dietary minerals and describe the major uses of each mineral in the body. HAPS Topic: Module O01 Nutrition. Learning Outcome: State the functions of minerals in the body. Section: Topic: Atoms and molecules |
67. | An atom with 12 electrons, 13 neutrons, and 11 protons is a(n) __________.
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Compare and contrast the terms ions, electrolytes, free radicals, isotopes and radioisotopes. HAPS Topic: Module C01 Atoms and molecules. Learning Outcome: Distinguish between ions, electrolytes, and free radicals. Section: Topic: Atoms and molecules |
68. | The concentration of a solution may be expressed by all of the following except _________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Distinguish among the terms solution, solute, solvent, colloid suspension, and emulsion. HAPS Topic: Module C03 Inorganic compounds and solutions. Learning Outcome: Discuss some ways in which the concentration of a solution can be expressed, and the kinds of information we can derive from the different units of measure. Section: Topic: Inorganic compounds and solutions |
69. | The vibration of an ear drum is an example of __________ energy.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Describe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cell. HAPS Topic: Module C05 Energy transfer using ATP. Learning Outcome: Define energy and work, and describe some types of energy. Section: Topic: Atoms and molecules |
70. | In the following reaction, what is(are) the product(s)? CO2 + H2O —> H2CO3
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Define and give examples of dehydration synthesis and hydrolysis reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Understand how chemical reactions are symbolized by chemical equations. Section: Topic: Atoms and molecules |
71. | Which of the following will increase the rate of a chemical reaction?
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Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic HAPS Objective: Demonstrate factors that affect enzyme activity, including denaturation, and interpret graphs showing the effects of various factors on the rate of enzyme- catalyzed reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Identify the factors that govern the speed and direction of a reaction. Section: Topic: Atoms and molecules |
72. | Carbon is very versatile in forming bonds with other atoms because it has __________ valence electrons.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Define the term organic molecule. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Explain why carbon is especially well suited to serve as the structural foundation of many biological molecules. Section: Topic: Chemical bonding Topic: Organic compounds |
73. | Amylase is a digestive enzyme that breaks starches down into sugars through __________ reactions.
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Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Define and give examples of dehydration synthesis and hydrolysis reactions. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Discuss the relevance of polymers to biology and explain how they are formed and broken by dehydration synthesis and hydrolysis. Section: Topic: Organic compounds |
74. | Which of the following is not a nucleotide?
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Compare and contrast general molecular structure of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: Identify the principal types of nucleic acids. Section: Topic: Organic compounds |
75. | Metabolism is the sum of __________ and __________.
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Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: Define metabolism, anabolism and catabolism. HAPS Topic: Module O02 Introduction to metabolism. Learning Outcome: Define metabolism and its two subdivisions. Section: Topic: Energy transfer using ATP |
True / False Questions
76. | A molecule that is oxidized gains electrons and energy.
FALSE |
Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: Describe the processes of oxidation, reduction, decarboxylation, and phosphorylation. HAPS Topic: Module C02 Chemical bonding. Learning Outcome: Define oxidation and reduction, and relate these to changes in the energy content of a molecule. Section: Topic: Atoms and molecules |
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