05Test-Bank - Biology, 7e (Campbell) Chapter 5: The...

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Biology, 7e (Campbell) Chapter 5: The Structure and Function of Macromolecules Chapter Questions 1) Which of the following is not one of the four major groups of macromolecules found in living organisms? A) glucose B) carbohydrates C) lipids D) proteins E) nucleic acids Answer: A Topic: Overview Skill: Knowledge 2) Polymers of polysaccharides, fats, and proteins are all synthesized from monomers by which process? A) connecting monosaccharides together (condensation reactions) B) the addition of water to each monomer (hydrolysis) C) the removal of water (dehydration reactions) D) ionic bonding of the monomers E) the formation of disulfide bridges between monomers Answer: C Topic: Concept 5.1 Skill: Comprehension 3) Which of the following best summarizes the relationship between dehydration reactions and hydrolysis? A) Dehydration reactions assemble polymers, and hydrolysis breaks down polymers. B) Hydrolysis only occurs in the urinary system, and dehydration reactions only occur in the digestive tract. C) Dehydration reactions can occur only after hydrolysis. D) Hydrolysis creates monomers, and dehydration reactions break down polymers. E) A and C are correct. Answer: A Topic: Concept 5.2 Skill: Comprehension 4) A molecule with the chemical formula C 16 H 32 O 16 is probably a A) carbohydrate. B) lipid. C) protein. D) nucleic acid. E) hydrocarbon. Answer: A Topic: Concept 5.2 Skill: Comprehension
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Figure 5.1 5) If 128 molecules of the general type shown in Figure 5.1 were covalently joined together in sequence, the single molecule that would result would be a A) polysaccharide. B) polypeptide. C) polyunsaturated lipid. D) monosaccharide. E) disaccharide. Answer: A Topic: Concept 5.2 Skill: Comprehension 6) Consider a polysaccharide consisting of 576 glucose molecules. The total hydrolysis of the polysaccharide would result in the production of A) 575 glucose molecules. B) 575 water molecules. C) 576 glucose molecules. D) A and B only E) B and C only Answer: C Topic: Concept 5.2 Skill: Comprehension 7) Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified? A) as a pentose B) as a hexose C) as a monosaccharide D) as a disaccharide E) as a polysaccharide Answer: D Topic: Concept 5.2 Skill: Comprehension 8) Which of the following are polysaccharides? A) glycogen B) starch C) chitin D) A and B only E) A, B, and C Answer: E Topic: Concept 5.2 Skill: Knowledge
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9) Which of the following is true of both starch and cellulose? A) They are both polymers of glucose. B) They are geometric isomers of each other. C) They can both be digested by humans. D) They are both used for energy storage in plants. E) They are both structural components of the plant cell wall.
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05Test-Bank - Biology, 7e (Campbell) Chapter 5: The...

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