Principles of General, Organic, Biological Chemistry
2nd Edition
ISBN: 9780073511191
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 15.2, Problem 15.2P
(a) Draw a skeletal structure for each fatty acid. (b) Label the hydrophobic and hydrophilic portions of each molecule. (c) Without referring to Table 15.2, which fatty acid has the higher melting point, A or B? Explain your choice.
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Chapter 15 Solutions
Principles of General, Organic, Biological Chemistry
Ch. 15.1 - In which solvents or solutions will a lipid be...Ch. 15.2 - (a) Draw a skeletal structure for each fatty acid....Ch. 15.2 - Prob. 15.3PCh. 15.2 - Prob. 15.4PCh. 15.3 - Draw the structure of a wax formed from stearic...Ch. 15.3 - One component of jojoba oil is a wax formed from...Ch. 15.3 - What hydrolysis products are formed when cetyl...Ch. 15.4 - Draw the structure of a triacylglycerol that...Ch. 15.4 - Prob. 15.9PCh. 15.4 - Draw the structure of a triacylglycerol that fits...
Ch. 15.5 - Draw the products formed from hydrolysis of each...Ch. 15.5 - Prob. 15.12PCh. 15.6 - Draw the structure of two different cephalins...Ch. 15.6 - Classify each lipid as a triacylglycerol,...Ch. 15.7 - Why are phospholipids rather than triacylglycerols...Ch. 15.7 - Prob. 15.16PCh. 15.8 - Prob. 15.17PCh. 15.8 - Prob. 15.18PCh. 15.9 - Prob. 15.19PCh. 15.9 - Prob. 15.20PCh. 15.10 - Why is it much easier to overdose on a fat-soluble...Ch. 15.10 - Prob. 15.22PCh. 15 - Prob. 15.23UKCCh. 15 - Prob. 15.24UKCCh. 15 - Prob. 15.25UKCCh. 15 - What hydrolysis products are formed when the wax...Ch. 15 - Prob. 15.27UKCCh. 15 - Prob. 15.28UKCCh. 15 - Draw the products formed when the given...Ch. 15 - Prob. 15.30UKCCh. 15 - Prob. 15.31UKCCh. 15 - Prob. 15.32UKCCh. 15 - Prob. 15.33APCh. 15 - Label each compound as a hydrolyzable or...Ch. 15 - Prob. 15.35APCh. 15 - Prob. 15.36APCh. 15 - Prob. 15.37APCh. 15 - How does each of the following affect the melting...Ch. 15 - Rank the fatty acids in order of increasing...Ch. 15 - How would you expect the melting points of the...Ch. 15 - Prob. 15.41APCh. 15 - Why are soaps water soluble, but the fatty acids...Ch. 15 - Draw the structure of a wax formed from palmitic...Ch. 15 - Prob. 15.44APCh. 15 - Prob. 15.45APCh. 15 - Prob. 15.46APCh. 15 - Prob. 15.47APCh. 15 - What hydrolysis products are formed when each wax...Ch. 15 - Draw a triacylglycerol that fits each description:...Ch. 15 - Draw a triacylglycerol that fits each description:...Ch. 15 - Prob. 15.51APCh. 15 - Prob. 15.52APCh. 15 - Prob. 15.53APCh. 15 - Prob. 15.54APCh. 15 - Prob. 15.55APCh. 15 - Draw the products formed when the given...Ch. 15 - Prob. 15.57APCh. 15 - Prob. 15.58APCh. 15 - Prob. 15.59APCh. 15 - Prob. 15.60APCh. 15 - Prob. 15.61APCh. 15 - Why are LDLs soluble in the blood?Ch. 15 - Describe the role of HDLs and LDLs in cholesterol...Ch. 15 - Prob. 15.64APCh. 15 - Prob. 15.65APCh. 15 - Prob. 15.66APCh. 15 - Answer each question with regards to vitamins A...Ch. 15 - Answer each question in Problem 15.67 for vitamins...Ch. 15 - Prob. 15.69APCh. 15 - Prob. 15.70APCh. 15 - Prob. 15.71APCh. 15 - How are soaps and phosphoacylglycerols similar in...Ch. 15 - Some fish oils contain triacylglycerols formed...Ch. 15 - Some marine plankton contain triacylglycerols...Ch. 15 - Prob. 15.75APCh. 15 - Prob. 15.76APCh. 15 - Prob. 15.77APCh. 15 - Prob. 15.78APCh. 15 - Prob. 15.79CPCh. 15 - Prob. 15.80CP
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- Lauric Acid1. write the skeletal structure of the fatty acid2. give the short notation. for example, C20:1 Delta9 (but use symbol Delta and superscript 9)3. classify if saturated, monounsaturated, or polyunsaturated. if monounsaturated/polyunsaturated, mention if omega-6 or omega-3 fatty acid or so onarrow_forwardwhat is the structure of the fatty acid represented by 20:3(8,11,14) and what type of omega fatty acid is it?arrow_forwardWhy might some food companies find it economically advantageous to advertise their products (such as corn oil and margarine) as being composed of polyunsaturated fatty acids?arrow_forward
- 4. Which of the following best describe the physical properties of fatty acids?a. All physical properties of fatty acids are influenced by the length and degreeof unsaturation of their carbon chain.b. Melting points of fatty acids are influenced by the carbon chain length.c. Melting points of fatty acids are influenced by their degree of unsaturation.d. Alltheabove.5. Triacylglycerols are ________.a. insolubleinwater.b. partially soluble in water.c. soluble in water at elevated temperatures.d. solubleinwater.6. The backbone of a triglyceride is __________.a. a three-carbon molecule with an aldehyde and two hydroxyl groups.b. a three-carbon molecule with three hydroxyl groups.c. esterified fatty acids fused with 1 to 3 carbons.d. threelong-chainfattyacids.7. Triacylglycerols are _____ in their ability to store energy when compared to glycogen, the energy storing form of glucose in the human body.a. equally efficientb. insignificantc. less efficientd. more efficient 8. The essential…arrow_forward1a) Draw the structure of an Omega-5 fatty acid with an 14:2 designation. b) Provide a reaction for the partial hydrogenation of the fatty acid in Question 1(a). Is the product that forms still an Omega-5 fatty acid? Explain your answer.arrow_forwardBetween fatty acid A and B, Which is most likely solid at room temperature? CH3(CH2)18CO2H CH3CH2CH=CHCH2CH=CHCH2CH=CH(CH2)7CO2Harrow_forward
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- Draw a phosphoglyceride formed by the reaction of glycerol, 1 molecule of myristic acid, 1 molecule of linoleic acid, 1 phosphate and 1 molecule of ethanolamine. The drawing should be in the form found at physiological pH. Use a line drawing for the fatty acids. Becarful with the geometry of the unsaturated fatty acid. Make sure you attach the ethanolamine via the correct atom.arrow_forwardWhat is the difference between saturated fatty acids and unsaturated fatty acids? Pick one answer. A. Unsaturated fatty acids have an even number of carbons, saturated fatty acids have an odd number of carbons. B. Unsaturated fatty acids have cis double bonds, saturated fatty acids have trans double bonds. C. Unsaturated fatty acids have double bonds, saturated fatty acids do not. D. Unsaturated fatty acids are naturally occurring compounds, saturated fatty acids do not occur in nature and must be prepared synthetically.arrow_forward1. Some marine plankton contain triacylglycerols formed from the polyunsaturated fatty acid (PUFA) such as: CH3CH2CH=CHCH2CH=CHCH2CH=CHCH2CH=CHCH2CH=CHCH2COOH a) Draw the skeletal structure of the given PUFA showing the preffered stereogenic arrangement for a naturally-occuring lipid at each double bond. b) Write the systematic name of the fatty acid. c) What type of omega-n acid is this fatty acid? d) Would you expect this fatty acid to be a soild or liquid at room temperature?arrow_forward
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