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Unformatted text preview: high levels of trans fats. Answer: A Topic: 3.8 Skill: Application 9 39) Which of the following statements about animal cell lipids is false? A) Fats are a form of lipid that function to store energy. B) Phospholipids are important components of cell membranes. C) Steroids are lipids that function as signaling molecules. D) Many lipids function as enzymes. E) Cholesterol is a type of lipid that is a component of cell membranes and steroid hormones. Answer: D Topic: 3.8, 3.9 Skill: Factual Recall 40) A phospholipid is composed of A) one glycerol molecule linked to three fatty acids. B) one fatty acid molecule linked to three glycerol molecules. C) one glycerol molecule linked to three phosphate groups. D) one fatty acid molecule linked to one glycerol molecule and two phosphate groups. E) one glycerol molecule linked to one phosphate group and two fatty acids. Answer: E Topic: 3.9 Skill: Factual Recall 41) Which of the following substances is a lipid? A) DNA B) glucose C) cellulose D) steroids E) enzymes Answer: C Topic: 3.9 Skill: Factual Recall 42) A major type of lipid found in cell membranes is A) cellulose. B) triglycerides. C) phospholipids. D) glycerol. E) waxes. Answer: C Topic: 3.9 Skill: Factual Recall 43) Which of the following statements about anabolic steroids is false? A) They cause a general buildup of muscle mass. B) They often cause the body to reduce its normal output of sex hormones. C) They chemically resemble testosterone. D) They promote bone growth. 10 E) They can stimulate mood swings and violent behavior. Answer: D Topic: 3.10 Skill: Factual Recall 44) Which of the following statements about enzymes is false? A) They increase the rate of chemical reactions. B) They function as chemical catalysts. C) They regulate virtually all chemical reactions in a cell. D) They are produced by cells. E) They are monomers used to build proteins. Answer: E Topic: 3.11 Skill: Factual Recall 45) Which one of the following would be correctly classified as a protein? A) cholesterol B) starch C) enzymes D) cellulos...
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- Fall '12