Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 20.4, Problem 8P
The membrane phospholipids in deer have a higher degree of unsaturation in cells closer to the hoof than in cells closer to the body. Why is this trait important for survival?
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Chapter 20 Solutions
Essential Organic Chemistry, Global Edition
Ch. 20.1 - Prob. 1PCh. 20.2 - Prob. 2PCh. 20.2 - Prob. 3PCh. 20.2 - Draw the structure of an optically active fat...Ch. 20.4 - Prob. 6PCh. 20.4 - Prob. 7PCh. 20.4 - The membrane phospholipids in deer have a higher...Ch. 20.4 - Prob. 9PCh. 20.6 - Prob. 10PCh. 20.6 - Prob. 11P
Ch. 20.6 - Prob. 12PCh. 20.7 - Propose a mechanism for the biosynthesis of...Ch. 20.7 - Prob. 14PCh. 20.8 - Draw the individual 1,2-hydride and 1,2-methyl...Ch. 20.9 - Prob. 16PCh. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - Cardiolipins are found in heart muscles. Draw the...Ch. 20 - Prob. 20PCh. 20 - 5-Androstene-3,17-dione is isomerized to...Ch. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - Prob. 24PCh. 20 - Eudesmol is a sesquiterpene found in eucalyptus....
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- The following is a block diagram for a glycerophospholipid where the building blocks are labeled with letters and the linkages between building blocks are labeled with numbers. a. Which building blocks are fatty acid residues? b. Which building blocks are alcohol residues? c. Which linkages are ester linkages? d. Which linkages involve a phosphate residue?arrow_forwardBiological waxes have a head and two tails structure. Give the chemical identity of the head and of the two tails.arrow_forward21-85 Which of the following statements is (are) consistent with what is known about membranes? (a) A membrane consists of a layer of proteins sandwiched between two layers of lipids. (b) The compositions of the inner and outer lipid layers are the same in any individual membrane. (c) Membranes contain glycolipids and glycoproteins. (d) Lipid bilayers are an important component of membranes. (e) Covalent bonding takes place between lipids and proteins in most membranes.arrow_forward
- 21-101 Glycerophospholipids tend to have both a positive charge and a negative charge in their hydrophilic portions. Does this fact help or hinder lipid packing in membranes? Explain.arrow_forwardHow does the polarity of the phosphoglycerides contribute to their function of forming cell membranes?arrow_forward6 Where is glycogen stored in the human body?arrow_forward
- What functional group is common to all saponifiable lipids?arrow_forwardWhich of the substance categories biological wax, mineral wax, bile acid, and sphingophospholipid has each of the following characteristics? More than one substance may have a given characteristic. a. Structure is based on a steroid nucleus b. A saponifiable lipid c. Contains at least one fatty acid building block d. Contains at least one amide linkagearrow_forwardGive numerical answers to the following questions about the structure of a cholesterol molecule. a. How many six-membered rings arc present? b. How many amide linkages are present? c. How many hydroxyl substituents are present? d. How many total functional groups are present?arrow_forward
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