Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
9th Edition
ISBN: 9781305968707
Author: Spencer L. Seager
Publisher: Brooks Cole
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Textbook Question
Chapter 18, Problem 18.41E
How does the polarity of the phosphoglycerides contribute to their function of forming cell membranes?
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Chapter 18 Solutions
Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
Ch. 18 - What is the basis for deciding if a substance is a...Ch. 18 - List two major functions of lipids in the human...Ch. 18 - What functional group is common to all...Ch. 18 - Prob. 18.4ECh. 18 - Prob. 18.5ECh. 18 - Describe four structural characteristics exhibited...Ch. 18 - Describe the structure of a micelle formed by the...Ch. 18 - Prob. 18.8ECh. 18 - Prob. 18.9ECh. 18 - Explain why the melting points of unsaturated...
Ch. 18 - What structural feature of a fatty acid is...Ch. 18 - How are fats and oils structurally similar? How...Ch. 18 - From Figure 18.7, arrange the following substances...Ch. 18 - Draw the structure of a triglyceride that contains...Ch. 18 - Prob. 18.15ECh. 18 - The percentage of fatty acid composition of two...Ch. 18 - Prob. 18.17ECh. 18 - Prob. 18.18ECh. 18 - Prob. 18.19ECh. 18 - Why is the hydrogenation of vegetable oils of...Ch. 18 - Prob. 18.21ECh. 18 - Write reactions to show how each of the following...Ch. 18 - Draw the structure of a wax formed from oleic acid...Ch. 18 - Prob. 18.24ECh. 18 - Draw the structure of a wax formed from stearic...Ch. 18 - Prob. 18.26ECh. 18 - Prob. 18.27ECh. 18 - Draw the general block diagram structure of a...Ch. 18 - Draw the structure of a phosphoglyceride...Ch. 18 - Describe two biological roles served by the...Ch. 18 - Prob. 18.31ECh. 18 - What is the structural difference between a...Ch. 18 - Prob. 18.33ECh. 18 - Prob. 18.34ECh. 18 - List two structural differences between...Ch. 18 - Prob. 18.36ECh. 18 - Describe the structural similarities and...Ch. 18 - Give another name for glycolipids. In what tissues...Ch. 18 - Prob. 18.39ECh. 18 - Prob. 18.40ECh. 18 - How does the polarity of the phosphoglycerides...Ch. 18 - Prob. 18.42ECh. 18 - Prob. 18.43ECh. 18 - Prob. 18.44ECh. 18 - Explain how bile salts aid in the digestion of...Ch. 18 - Prob. 18.46ECh. 18 - Prob. 18.47ECh. 18 - Prob. 18.48ECh. 18 - Prob. 18.49ECh. 18 - Prob. 18.50ECh. 18 - How are testosterone and progesterone structurally...Ch. 18 - Prob. 18.52ECh. 18 - Prob. 18.53ECh. 18 - Prob. 18.54ECh. 18 - Prob. 18.55ECh. 18 - Prob. 18.56ECh. 18 - Prob. 18.57ECh. 18 - Prob. 18.58ECh. 18 - Prob. 18.59ECh. 18 - Prob. 18.60ECh. 18 - Prob. 18.61ECh. 18 - Prob. 18.62ECh. 18 - Prob. 18.63ECh. 18 - Prob. 18.64ECh. 18 - Prob. 18.65ECh. 18 - Prob. 18.66ECh. 18 - Prob. 18.67ECh. 18 - Prob. 18.68ECh. 18 - Prob. 18.69ECh. 18 - Prob. 18.70ECh. 18 - Prob. 18.71ECh. 18 - When a doughnut is placed on a napkin, the napkin...Ch. 18 - Fats belong to the class of organic compounds...Ch. 18 - Identify each of the following characteristics as...Ch. 18 - Identify which sex hormones testosterone,...Ch. 18 - Prob. 18.76ECh. 18 - In diseases of the gallbladder, which of the...Ch. 18 - Steroids are classified as: a.carbohydrates....Ch. 18 - Accumulation of cholesterol leads to the hardening...Ch. 18 - Cholesterol, in spite of its bad reputation, is an...Ch. 18 - Bile is manufactured in the: a. duodenum. b....Ch. 18 - The basic structure of cell membrane is a: a....Ch. 18 - The mineralocorticoid _____ is a product of the...Ch. 18 - Prob. 18.84ECh. 18 - Prob. 18.85E
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- 21-100 What are the functions of a cell membrane? To what extent is a bilayer that consists entirely of lipids able to carry out these functions?arrow_forwardDescribe the structure of a micelle formed by the association of fatty acid molecules in water. What forces hold the micelle together?arrow_forwardWhat are the major products of the incomplete hydrolysis of a triacylglycerol?arrow_forward
- Saturated and Unsaturated Fats Which of the following triglycerides will be a liquid at room temperature?arrow_forwardList two structural differences between sphingolipids and phosphoglycerides.arrow_forwardThe 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_forward
- Which of the terms triacylglycerol, glycerophospholipid, and sphingophospholipid applies to each of the following characterizations? More than one term may apply in a given situation. a. It contains four building blocks. b. All linkages are ester linkages. c. An alcohol building block is present. d. It is an energy-storage lipid.arrow_forwardLipoproteins are globular structures that are responsible for transporting lipids through the blood stream. Two types of lipoproteins are LDL and HDL. Classify each description as applying to LDL, HDL, or both. LDL HDL Both LDL and HDL Answer Bank transport excess cholesterol to the liver transport cholesterol from the liver to other tissues classified by their density "bad" cholesterol "good" cholesterol help regulate lipid metabolism increased levels are associated with atherosclerosis consist of lipids and proteinsarrow_forwardBenzene (C6H6) exhibits which of the following membrane transport movements? it is able to cross the membrane by facilitated diffusion, because it is small, polar, and organic it is able cross the membrane by simple diffusion, because it is small, nonpolar, and organic it is not able to cross the membrane by active transport, because it is big, polar, and inorganic it is able to cross the membrane by active transport, because it is big, nonpolar, and organic it is not able to cross the membrane by passive transport, because it is big, polar, and organicarrow_forward
- Which statement about the lipid bilayers around cells is TRUE? They are single layers of molecules that allow only water molecules to pass through freely. They are permeable membranes that allow ions and water molecules to freely pass through. They are semipermeable membranes made of a double layer of molecules. They are double layers of molecules that do not allow any substance to pass through.arrow_forwardGenerally speaking, are fatty acid molecules polar or nonpolar or both? What type of forces hold them together in the solid?arrow_forward
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