Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 25, Problem 34P
- a. How many different triacylglycerols are there in which one of the fatty acid components is lauric acid and two are myristic acid?
- b. How many different triacylglycerols are there in which one of the fatty acid components is lauric acid, one is myristic acid, and one is palmitic acid?
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Identify the major class of each lipid from its components.
a. fatty acids + glycerol
b. fatty acids + sphingosine + a carbohydrate
c. fatty acids + high-molecular-weight alcohols other than glycerol
d. glycerol + fatty acids + phosphate group + choline
e. fatty acids + sphingosine + phosphate group + a nitrogen compound
3. Lipids
a. What are saturated fats?
b. What is the main origin of triacylglycerides or
oils?
O
c. Why do unsaturated oils discolor bromine in
solution?
d. What functional groups are present in
triacylglycerides?
and. Why are lipids not soluble in water when they
have a polar part?
F. What positive function does cholesterol have in
the body?
pility: Good to go
D
(Ctrl)
1. What are 2 properties of all lipids?
a..
b. .
2. What 2 elements are lipids mostly made of (and what is the 3rd element you also
find in lipids)?
3. What are the 2 types of fatty acids (and explain what each means, and an example)?
a. .
b.
Chapter 25 Solutions
Organic Chemistry (8th Edition)
Ch. 25.1 - Prob. 1PCh. 25.3 - Which has a higher melting point, glyceryl...Ch. 25.3 - Draw the structure of an optically inactive fat...Ch. 25.3 - Draw the structure of an optically active fat...Ch. 25.5 - Do the identities of R1 and R2 in phosphatidic...Ch. 25.5 - Membranes contain proteins, Integral membrane...Ch. 25.5 - Prob. 8PCh. 25.5 - The membrane phospholipids in deer have a higher...Ch. 25.6 - Treating PGC2 with a strong base such as sodium...Ch. 25.7 - Mark off the isoprene units in menthol, -selinene,...
Ch. 25.7 - Prob. 13PCh. 25.7 - Prob. 14PCh. 25.8 - Propose mechanisms for the Claisen condensation...Ch. 25.8 - Prob. 16PCh. 25.8 - Propose a mechanism for the conversion of...Ch. 25.8 - Propose a mechanism for the biosynthesis of...Ch. 25.8 - Propose a mechanism for the conversion of the E...Ch. 25.8 - The fluoro-substitued geranyl pyrophosphate shown...Ch. 25.8 - Prob. 22PCh. 25.8 - Prob. 23PCh. 25.9 - Draw the individual 1,2-hydride and 1,2-methyl...Ch. 25.10 - Prob. 26PCh. 25.10 - Prob. 27PCh. 25.10 - The acid component of a cholesterol ester is a...Ch. 25.10 - Prob. 29PCh. 25.10 - Prob. 30PCh. 25 - Prob. 31PCh. 25 - An optically active fat, when completely...Ch. 25 - Prob. 33PCh. 25 - a. How many different triacylglycerols are there...Ch. 25 - Cardiolipins are found in heart muscles. Draw the...Ch. 25 - Nutmeg contains a simple, fully saturated...Ch. 25 - Draw the product that is obtained from the...Ch. 25 - Prob. 39PCh. 25 - Prob. 40PCh. 25 - Propose a mechanism for the biosynthesis of...Ch. 25 - 5-Androstene-3.17-dione is isomerized to...Ch. 25 - Prob. 44PCh. 25 - Eudesmol is a sesquiterpene found in eucalyptus....Ch. 25 - Prob. 46PCh. 25 - Prob. 47PCh. 25 - Diethylstilbestrol (DES) was given to pregnant...
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- 17. Match the lipid on the left with its description on the right. 1. lecithin 2. sphingomyelin 3. wax 4. cephalin 5. glycolipid a. An ester of a fatty acid and a high-molecular- weight alcohol other than glycerol. b. A lipid that contains sphingosine, fatty acids, a phosphate group, and a nitrogen-containing compound. I c. A lipid that contains fatty acids, a sugar, and glycerol. d. A lipid that contains glycerol, fatty acids, a phosphate group, and choline. e. A lipid that contains glycerol, fatty acids, a phophate group, and ethanolamine.arrow_forwardHyaluronic acid acts as a lubricant in the synovial fluid of joints. In rheumatoid arthritis, inflammation breaks down hyaluronic acid to smaller molecules. Under these conditions, what happens to the lubricating power of the synovial fluid?arrow_forward4. 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
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