_7. Which of the following FA has the lowest melting point? A. Stearic acid B. Palmitic acid C. Docosahexanoic acid D. Linoleic acid
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- Triglycerides contain: a. fatty acids only b. phosphate only c. glycerol and fatty acids d. glycerol only e. fatty acids and phosphate1. Which one is classified as signaling lipid a. TAG b. Cholesterol c. Bile d. Eicosanoids 2. Which on is compound lipid? a. phospholipids b. coconut oil c. lard d. beeswax 3. What is the functional group in fatty acid structure? a. palmitic acid b. oleic acid c. linoleic acid d. myristic acidWhich of the following statements about cholesterol is TRUE? A. Cholesterol has a multiple carbon-rings structure B. Cholesterol is a water-soluble nutrient C. Food that are high in cholesterol tend to be low in saturated fat D. Because cholesterol is not essential to our body, the FDA recommends keeping your cholesterol intake to an absolute minimum
- Which of the statements are true? a. Triacylglycerols (triglycerides) contain ester bonds. b. Unsaturated fats have higher melting points than saturated fats. c. Unsaturated fats are more likely than saturated fats to be liquid at room temperature. d. Triacylglycerols (triglycerides) always contain three identical fatty acids. e. Fats that contain more saturated fatty acid residues than unsaturated fatty acid residues are more likely to be solid at room temperature.Which of the following statements about trans-fatty acids is/are FALSE? A. Healthier than saturated FA. B. May be present in butter substitutes. C. Properties are similar to saturated FA. D. Formed from the hydrogenation of C=C.1. Lipids are found in: a. Bread b. Oils/Fats/Waxes c. Meat d. Chocolate 2. Give an example of an unsaturated lipid in your diet: 3. Give an example of a saturated lipid in your diet:
- Alkaline hydrolysis of one molecule of triacylglycerol yields _________ a. three molecules of glycerol and three moles of fatty acids b. three moles of glycerol and one mole of fatty acids c. one molecule of glycerol and three molecules of sodium salt of fatty acid d. three molecules of glycerol and one molecule of sodium salt of fatty acidWhich of the following statements concerning palmitic acid is INCORRECT? a. It can barely be dissolved in water. b. It is an unsaturated fatty acid. c. It is consisted of 16 carbons. d. It is a lipid.1. Why are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) important? 2. What are the health effects of lipids?
- Compared to olive oil, beef fat is has a higher proportion of A. long-chain unsaturated fatty acids. B. long-chain saturated fatty acids. C. short-chain unsaturated fatty acids. D. short-chain saturated fatty acids.Acid hydrolysis of soap yields _________ a. fatty acids b. glycerol c. salts of fatty acids d. triacylglycerolIn each of the following pairs of fatty acids, select the fatty acid that has the lower melting point. a. 14:0 and 18:0 b. 20:4(delta 5,8,11,14) and 18:3(delta 9,12,15) c. 18:3(delta 9,12,15) and 16:0 d. 18:1(delta 9) and 20:1(delta 5)