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BIOL149_CH1-5_Quiz Quiz

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1. Which of the following solutions has the greatest concentration of protons, [H+]?




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2. What is the pH of a solution with a hydroxide ion, [OH-], concentration of 10-12 M?




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3. What is the pH of a solution with a proton, [H+], concentration of 10-8 M? Answer




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4. 11. Which of the following statements concerning prokaryotic and eukaryotic cells is not correct?




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5. If the pH of a solution is increased from pH 5 to pH 7, it means that the




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6. The reactivity of an atom arises from




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7. The lowest level of biological organization that can perform all the activities required for life is the




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8. Early 19th-century scientists believed that living organisms differed from nonliving things as a result of possessing a "life force" that could create organic molecules from inorganic matter. The term given to this belief is




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9. Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?




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10. Buffer Solutions




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11. cellular membrane




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12. -must have 4 different elements -must be a mirror image -letter arrangement doenst matter




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13. Protons and electrons are electrically charged particles. Protons have one unit of negative charge, and electrons have one unit of positive charge




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14. carboxyl




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15. ionic bond




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16. DNA as their genetic material




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17. bonds involve the sharing of electrons between atoms, and ionic bonds involve the electrical attraction between atoms.




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18. reductionism




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19. hydrogen bonds




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20. the hydrogen levels (H+) go down. the Hydroxide levels (OH-) go up.





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