General, Organic, and Biological Chemistry - 4th edition
4th Edition
ISBN: 9781259883989
Author: by Janice Smith
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 19.2, Problem 19.2PP
(a) Draw a skeletal structure for each fatty acid. (b) Label the hydrophobic and hydrophilic portions of each molecule. (C) Without referring to Table 19.2,which fatty acid has the higher melting point, A or B? Explain your choice.
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1a) 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.
Draw a skeletal structure for each fatty acid. (b) Label the hydrophobic and hydrophilic portions of each molecule. (c) Without referring to Table 19.2 , which fatty acid has the higher melting point, A or B? Explain your choice. CH3(CH2)16COOH CH3(CH2)4CH CHCH2CH CH(CH2)7COOH
Indicate whether each statement is true or false: (a) Trans fats are saturated. (b) Fatty acids are long-chain carboxylic acids. (c) Monounsaturated fatty acids have one CC single bond in the chain, while the rest are double or triple bonds.
Chapter 19 Solutions
General, Organic, and Biological Chemistry - 4th edition
Ch. 19.1 - Prob. 19.1PPCh. 19.1 - Prob. 19.1PCh. 19.2 - (a) Draw a skeletal structure for each fatty acid....Ch. 19.2 - Prob. 19.2PCh. 19.2 - Prob. 19.3PCh. 19.3 - Prob. 19.3PPCh. 19.3 - One component of jojoba oil is a wax formed from...Ch. 19.3 - Explain why beeswax is insoluble in water,...Ch. 19.3 - Prob. 19.6PCh. 19.4 - Prob. 19.4PP
Ch. 19.4 - Prob. 19.7PCh. 19.4 - Prob. 19.8PCh. 19.5 - Prob. 19.5PPCh. 19.5 - Review Section 5.2 on balancing chemical...Ch. 19.5 - Prob. 19.10PCh. 19.6 - Prob. 19.6PPCh. 19.6 - Identify the components of each lipid and classify...Ch. 19.7 - Prob. 19.12PCh. 19.7 - Prob. 19.13PCh. 19.7 - Prob. 19.14PCh. 19.8 - (a) Label the rings of the steroid nucleus in...Ch. 19.8 - Prob. 19.16PCh. 19.8 - Prob. 19.17PCh. 19.9 - Prob. 19.18PCh. 19.9 - Prob. 19.19PCh. 19.10 - Prob. 19.20PCh. 19.11 - Prob. 19.21PCh. 19.11 - Prob. 19.22PCh. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - Prob. 26PCh. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Rank the fatty acids in order of increasing...Ch. 19 - Prob. 30PCh. 19 - Prob. 31PCh. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - Prob. 34PCh. 19 - Draw the structure of a wax formed from palmitic...Ch. 19 - Draw the structure of a wax formed from a...Ch. 19 - What hydrolysis products are formed when each wax...Ch. 19 - What hydrolysis products are formed when each wax...Ch. 19 - Prob. 39PCh. 19 - Prob. 40PCh. 19 - Draw a triacylglycerol that fits each description:...Ch. 19 - Draw a triacylglycerol that fits each description:...Ch. 19 - Draw the structure of a triacylglycerol that...Ch. 19 - Draw the structure of a triacylglycerol that...Ch. 19 - Consider the following four types of compounds:...Ch. 19 - How do fats and oils compare with respect to each...Ch. 19 - For the food product shown in the accompanying...Ch. 19 - For the food product shown in the accompanying...Ch. 19 - Answer the following questions about the given...Ch. 19 - Answer the following questions about the given...Ch. 19 - Draw the products formed when each triacylglycerol...Ch. 19 - Draw the products formed when each triacylglycerol...Ch. 19 - Which of the following are phospholipids: (a)...Ch. 19 - Prob. 54PCh. 19 - Prob. 55PCh. 19 - Prob. 56PCh. 19 - wIn transporting molecules or ions across a cell...Ch. 19 - Prob. 58PCh. 19 - Draw the structure of the anabolic steroid...Ch. 19 - Draw the structure of the anabolic steroid...Ch. 19 - Why must cholesterol be transported through the...Ch. 19 - Describe the role of HDLs and LDL5 in cholesterol...Ch. 19 - Prob. 63PCh. 19 - Prob. 64PCh. 19 - (a) Draw the structure of an estrogen and an...Ch. 19 - (a) Draw the structure of an androgen and a...Ch. 19 - What are the similarities and differences between...Ch. 19 - Why aren’t prostaglandins classified as hormones?Ch. 19 - What two structural features characterize all...Ch. 19 - List three biological functions of prostaglandins...Ch. 19 - Explain why aspirin and celecoxib differ in how...Ch. 19 - How does zileuton treat the cause of asthma, not...Ch. 19 - Answer each question with regard to vitamins A and...Ch. 19 - Answer each question in Problem 19.73 for vitamins...Ch. 19 - Give an example of each type of lipid. a. a...Ch. 19 - Give an example of each type of lipid. a. a...Ch. 19 - Consider each of the following components: [1]...Ch. 19 - Consider each of the following components: [1]...Ch. 19 - Block diagrams representing the general structures...Ch. 19 - For each block diagram in Problem 19.79, label the...Ch. 19 - Prob. 81PCh. 19 - Prob. 82PCh. 19 - Prob. 83PCh. 19 - Prob. 84PCh. 19 - Prob. 85PCh. 19 - Prob. 86PCh. 19 - Can an individual survive on a completely fat-free...Ch. 19 - Prob. 88PCh. 19 - Prob. 89PCh. 19 - Prob. 90PCh. 19 - Prob. 91PCh. 19 - Prob. 92PCh. 19 - Prob. 93CPCh. 19 - Prob. 94CP
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- 4. The ester you drew in Question #1 has a melting point range of 32-35 °C. The methyl ester of mono-unsaturated palmitoleic acid (IUPAC name: hexadec-9enoic acid) has a considerably lower melting point range: -0.5-+0.5 °C. a) Explain what it means for a fatty acid to the "mono-unsaturated." b) Illustrate your explanation by drawing the structure of the methyl ester of octadec-11-enoic acid. (Be sure to draw the geometric stereoisomer that is commonly found in nature.)arrow_forward(a) Draw the structures of ammonia and urea.(b) Write the reaction showing ammonia acting as a base in water.(c) Write a reaction showing the formation of carbamoyl phosphate from ammonia, carbon dioxide, and any other reactants.(d) Draw the structures of ornithine and lysine. Explain how they are different. (e) Draw the structure of the compound formed when ornithine reacts with carbamoyl phosphate. (f) Write the transamination reaction of alanine with alpha-ketoglutarate. Name the products that are formed.arrow_forward(a) Give the omega designation for the following fatty acid: Но (b) Give the omega designation for the following fatty acid: HOarrow_forward
- 3. Please explain why saturated fats are solid at room temperature whereas unsaturated fatty acids are liquid at room temperature.arrow_forwardA triglyceride can be optically active if it contains two or more different fatty acids.(a) Draw the structure of an optically active triglyceride containing one equivalent of myristic acid and two equivalentsof oleic acid.(b) Draw the structure of an optically inactive triglyceride with the same fatty acid composition.arrow_forwardDraw the skeletal ("line") structure of an omega-6 monounsaturated fatty acid with 12 carbons. Give detailed Solution with explanation needed, don't give Handwritten answer.arrow_forward
- 20.) What distinguishes polyunsaturated fatty acids from monounsaturated fatty acids? B) Identity of the alcohol component E) Physical state at room temperature C) Smell of the fatty acid A) Number of carbon-carbon triple bonds D) Total number of double bonds 21.) Which of the following is an o-3 fatty acid? A) linoleic acid (18:2A9,12) D) arachidonic acid (20:4AS,8,11,14) C) adrenic acid (22:4A7.10,13,16) B) mead acid (20:3AS.8,11) E) cervonic acid (22:6A4,7,10,13,16,19) 22.) Which of the following lipids contains only unsaturated fatty acids? A) Glycerol bound to nervonic acid (24:1), linolenic acid (18:3), and arachidonic acid (20:4). B) Glycerol bound to arachidic acid (20:0), arachidic acid (20:0), and stearic acid (18:0). C) Glycerol bound to arachidic acid (20:0), linolenic acid (18:3), and stearic acid (18:0). D) Glycerol bound to linoleic acid (18:2), linolenic acid (18:3), and stearic acid (18:0). E) Glycerol bound to myristic acid (14:0), linolenic acid (18:3), and oleic…arrow_forward2. Draw the skeletal carbon structure of triacylglycerol and highlight the ester linkage.arrow_forward(a) Provide four distinct forms of phenylalanine. (b) Rank the solubility of these forms in water. (c) Explain your ranking.arrow_forward
- (a) What are the major components of tea extract? (b) Draw the structures of caffeine, flavonoid, and tannin present in tea.arrow_forwardDraw the following Lipids in: A) Condensed (detailed) Structure, B) its Block Diagram. C) Show/Indicate the type of linkages per structure (put an arrow). 6) Cholesterol ( use steroid fused ring system with -OH group at C3, double bond at C5, 2 methyl group at C10 & C13, and an 8-Carbon branched side chain at C17)arrow_forwardA triglyceride can be optically active if it contains two or more different fatty acids.(a) Draw the structure of an optically active triglyceride containing one equivalent of myristic acid and two equivalentsof oleic acidarrow_forward
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