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, Problem 49P
Answer the following questions about the given triacylglycerol
a. What fatty acids are used to form this triacylglycerol?
b. Would you expect this triacylglycerol to be a solid or a liquid at room temperature?
c. What regions are hydrophobic?
d. What regions are hydrophilic?
e. What hydrolysis products are formed when the triacylglycerol is treated with aqueous sulfuric acid?
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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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- Identify each of the following characteristics as describing an unsaturated fatty acid or a saturated fatty acid: a. Contains more hydrogen atoms b. Is more healthy c. More plentiful in plant sources d. Is ususally a solid at room temperaturearrow_forwardThe plasmalogens are a group of lipids found in nerve and muscle cells. How do plasmalogens differ from fats?arrow_forwardDraw structures of glyceryl tripalmitate and glyceryl trioleate. Which would you expect to have a higher melting point?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_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_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_forward
- please provide additional info regarding this  "A saturated fatty acid sample has a high boiling point. A triacylglycerol is composed of glycerol and three saturated fatty acids. Therefore, a sample not containing this triacylglycerol will have a low boiling point."arrow_forwardHow would you expect the melting points of the following unsaturated fatty acids to compare? Explain your choice.arrow_forwardExplain the Most Common Fatty Acids in Triacylglycerols ?arrow_forward
- Why 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_forward1. Draw, using condensed structural formulas, all reactants and products of the saponification reaction of a triacylglycerol using NaOH. Use lauric acid, a 12-carbon saturated fatty acid found in vegetable shortening. 2. Soap can be made using a variety of different fats, oils and bases. Suppose a student wanted to make a soft, liquid soap that lathers easily. What type(s) of fat/oil and base would you recommend? How would this differ from making a solid bar of soap? 3. Vegetable oils are typically liquid at room temperature, yet Crisco (which is made of vegetable oil) is solid at room temperature. Explain why/how this is the case. 4. Explain, with the use of a diagram how soap molecules work to clean “dirt” particles. 5. Amylase is a natural enzyme found in saliva. Describe this enzyme’s function. 6. Lactose is a sugar found in milk and other dairy products. Explain how it is broken down in most individuals. Explain lactose “intolerance”.arrow_forward14. Which lipid does not contain any fatty acids?A.GlycerophospholipidB. triglycerideC. steroidD. wax E. sphingolipidarrow_forward
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