Chapter 10 Testbank - Chapter 10 Lipids Multiple Choice...

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Chapter 10 Lipids Multiple Choice Questions 1. Structural lipids in membranes Pages: 343-345 Difficulty: 2 Which of the following statements concerning fatty acids is correct? A) One is the precursor of prostaglandins. B) Phosphatidic acid is a common one. C) They all contain one or more double bonds. D) They are a constituent of sterols. E) They are strongly hydrophilic. 2. Storage Lipids Pages: 346-358 Difficulty: 2 Which of the following molecules or substances contain, or are derived from, fatty acids? A) Beeswax B) Prostaglandins C) Sphingolipids D) Triacylglycerols E) All of the above contain or are derived from fatty acids. 3. Storage Lipids Page: 349 Difficulty: 2 Biological waxes are all: A) trimesters of glycerol and palmitic acid. B) esters of single fatty acids with long-chain alcohols. C) trimesters of glycerol and three long-chain saturated fatty acids. D) sphingolipids. E) none of the above. 4. Storage Lipids Pages: 346-358 Difficulty: 2 Which of the following statements is true of lipids? A) Many contain fatty acids in ester or amide linkage. B) Most are simply polymers of isoprene. C) Testosterone is an important sphingolipid found in myelin. D) They are more soluble in water than in chloroform. E) They play only passive roles as energy-storage molecules.
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Lipids 5. Structural lipids in membranes Pages: 351-352 Difficulty: 2 Which of the following contains an ether-linked alkyl group? A) Cerebrosides B) Gangliosides C) Phosphatidyl serine D) Platelet-activating factor E) Sphingomyelin 6. Structural lipids in membranes Pages: 352-353 Difficulty: 2 Sphingosine is not a component of: A) cardiolipin. B) ceramide. C) cerebrosides. D) gangliosides. E) sphingomyelin. 7. Structural lipids in membranes Page: 352 Difficulty: 2 Which of the following statements about membrane lipids is true? A) Glycerophospholipids are found only in the membranes of plant cells. B) Glycerophospholipids contain fatty acids linked to glycerol through amide bonds. C) Lecithin (phosphatidylcholine), which is used as an emulsifier in margarine and chocolate, is a sphingolipid. D) Some sphingolipids include oligosaccharides in their structure. E) Triacylglycerols are the principal components of erythrocyte membranes. 8. Structural lipids in membranes Page: 352 Difficulty: 2 Which of the following is true of sphingolipids? A) Cerebrosides and gangliosides are sphingolipids. B) Phosphatidylcholine is a typical sphingolipid. C) They always contain glycerol and fatty acids. D) They contain two esterified fatty acids. E) They may be charged, but are never amphipathic. 9. Structural lipids in membranes Pages: 352-354 Difficulty: 2 A compound containing N -acetylneuraminic acid (sialic acid) is: A) cardiolipin. B)
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This note was uploaded on 04/14/2010 for the course BHC 3023 taught by Professor Harmen during the Spring '10 term at University of South Florida - Tampa.

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Chapter 10 Testbank - Chapter 10 Lipids Multiple Choice...

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