03_TestBank_TB

03_TestBank_TB - Biology: Concepts and Connections, 5e...

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Biology: Concepts and Connections, 5e (Campbell) Chapter 3: The Molecules of Cells 1) Lactose intolerance is the inability to A) produce milk proteins. B) produce lactose. C) digest cellulose. D) digest lactose. E) digest milk fats. Answer: D Topic: Introduction Skill: Factual Recall 2) Lactose intolerance A) is common in most people of all ages, from newborn to adulthood. B) is most common in people of European descent. C) can currently be treated by gene therapy to treat the underlying cause. D) does not affect the consumption of beverages made from soy or rice. E) None of the above are true. Answer: D Topic: Introduction Skill: Factual Recall 3) Carbon is able to form an immense diversity of organic molecules because of carbon's A) tendency to form covalent bonds. B) ability to bond with up to four other atoms. C) capacity to form single and double bonds. D) ability to bond together to form extensive, branched, or unbranched "carbon skeletons." E) All of the choices are correct. Answer: E Topic: 3.1 Skill: Factual Recall 4) Hydrocarbons A) are inorganic compounds. B) are composed of carbon atoms that are attached to hydrogen skeletons. C) contain only carbon and hydrogen atoms. D) consist of atoms linked exclusively by single bonds. E) All of the choices are correct. Answer: E Topic: 3.1 Skill: Factual Recall 5) Propanol and isopropanol are isomers. This means that they have A) the same molecular formula but different chemical properties. B) different molecular formulas but the same chemical properties. C) the same molecular formula and the same chemical properties. D) the same number of carbon atoms but different numbers of oxygen and hydrogen atoms. E) the same molecular formula, but propanol is the liquid form of the compound and isopropanol is the gaseous form. Answer: A Topic: 3.1 Skill: Factual Recall
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6) Organic compounds A) always contain nitrogen. B) are synthesized by only animal cells. C) always contain carbon. D) can only be synthesized in a laboratory. E) always contain oxygen. Answer: C Topic: 3.1 Skill: Factual Recall 7) You now know that the old cliche "oil and water don't mix" is true. Why? A) Oil exhibits polarity and water does not. B) Water exhibits polarity and oil does not. C) Oil is hydrophilic. D) Water is hydrophobic. E) Oil is an organic compound and water is not. Answer: B Topic: 3.1 Skill: Conceptual Understanding 8) A hydroxyl group is A) also called a carbonyl group. B) characteristic of proteins. C) hydrophobic. D) characteristic of alcohols. E) None of the choices are correct. Answer: D Topic: 3.2 Skill: Factual Recall 9) Which one of the following is an amino group? A) -OH B) -NH 2 C) -COOH D) -CO E) -CH 3 Answer: B Topic: 3.2 Skill: Factual Recall 10) Which one of the following statements about the functional groups of organic compounds is false ? A) Functional groups help make organic compounds hydrophilic.
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03_TestBank_TB - Biology: Concepts and Connections, 5e...

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