Chemical Bond and Correct Answer Essay Example
1. | The stability of the three-dimensional shape of many large molecules is dependent on | | A. | covalent bonds. | B. | ionic bonds. | C. | hydrogen bonds. | D. | van der Waals attractions. | E. | hydrophobic interactions. | |
See Concept 2.2: Atoms Interact and Form Molecules | Points Earned: | 0/1 | Correct Answer: | C | Your Response: | A | 2. | Which of the following statements about water is true? | | A. | Water has a low heat of vaporization. | B. | Water has a high specific heat. | C. | When water freezes, it gains energy from the environment. | D. | All of the above | E. | None of the above | |
See Concept 2.2: Atoms Interact and Form Molecules | Points Earned: | 1/1 | Correct Answer: | B | Your Response: | B | 3. | Which of the following statements about chemical reactions is true? | | A. | The bonding partners of atoms remain constant. | B. | All reactions release energy as they proceed. | C. | The bonding partners of atoms change. | D. | All reactions consume energy as they proceed. | E. | None of the above | |
See Concept 2.5: Biochemical Changes Involve Energy | Points Earned: | 0/1 | Correct Answer: | C | Your Response: | E | 4. | Which of the following is not a polymer? | | A. | A protein | B. | A nucleic acid, such as DNA | C. | A polysaccharide carbohydrate | D. | A lipid | E. | All of the above are polymers. | |
See Concept 2.2: Atoms Interact and Form Molecules | Points Earned: | 1/1 | Correct Answer: | D | Your Response: | D | 5. | Cellulose and starch are composed of the same monomers but have structural and functional differences. Which of the following is the characteristic that accounts for those differences? | | A. | Different types of glycosidic linkages | B. | Different numbers of glucose monomers | C. | Different types of bonds holding them together | D. | A linear shape in one versus a ring shape in the other | E. | None of the
See Concept 2.2: Atoms Interact and Form Molecules | Points Earned: | 0/1 | Correct Answer: | C | Your Response: | A | 2. | Which of the following statements about water is true? | | A. | Water has a low heat of vaporization. | B. | Water has a high specific heat. | C. | When water freezes, it gains energy from the environment. | D. | All of the above | E. | None of the above | |
See Concept 2.2: Atoms Interact and Form Molecules | Points Earned: | 1/1 | Correct Answer: | B | Your Response: | B | 3. | Which of the following statements about chemical reactions is true? | | A. | The bonding partners of atoms remain constant. | B. | All reactions release energy as they proceed. | C. | The bonding partners of atoms change. | D. | All reactions consume energy as they proceed. | E. | None of the above | |
See Concept 2.5: Biochemical Changes Involve Energy | Points Earned: | 0/1 | Correct Answer: | C | Your Response: | E | 4. | Which of the following is not a polymer? | | A. | A protein | B. | A nucleic acid, such as DNA | C. | A polysaccharide carbohydrate | D. | A lipid | E. | All of the above are polymers. | |
See Concept 2.2: Atoms Interact and Form Molecules | Points Earned: | 1/1 | Correct Answer: | D | Your Response: | D | 5. | Cellulose and starch are composed of the same monomers but have structural and functional differences. Which of the following is the characteristic that accounts for those differences? | | A. | Different types of glycosidic linkages | B. | Different numbers of glucose monomers | C. | Different types of bonds holding them together | D. | A linear shape in one versus a ring shape in the other | E. | None of the