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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Chapter 18, Problem 18.74E
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 temperature
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Saturated fatty acids are solid at room temperature, while unsaturated fatty acids are often liquid. This difference occurs because saturated fatty
acids have
than unsaturated fatty acids.
fewer hydrogen atoms
O fewer double bonds
○ more double bonds
more carbon atoms
more glycerol molecules
Compared to saturated fatty acids, unsaturated fatty acids have:
a). lower melting points
b). longer carbon chains
c). shorter carbon chains
d). higher melting points
how fatty acids are produced using reactive distillation
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- What is the basis for deciding if a substance is a lipid?arrow_forwardFats belong to the class of organic compounds represented by the general formula, RCOOR', where R and R' represent hydrocarbon groups. What is the name of the functional group present in fats? What functional group is common to all saponifiable lipids?arrow_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
- Palmitic acid is a(n) _____ fatty acid. a. monounsaturated b. waxy c. saturated d. polyunsaturatedarrow_forwardWhich statement is NOT true? Group of answer choices a. There are many different types of lipids. b. Lipids are soluble in organic solvents. c. Some hormones are lipids. d. All lipids contain fatty acids. e. Lipids are found in cell membranes.arrow_forwardWhich of the following statements about lipids is NOT true? Group of answer choices a. Lipids are found in cell membranes. b. All lipids contain fatty acids. c. Lipids are soluble in organic solvents. d. Some hormones are lipids. e.There are many different types of lipids.arrow_forward
- In which of the following types of lipids are two ester linkages and one amide linkage present? A. Triacylglycerols B. Sphingophospholipids C. Steroids D. Glycerophospholipids E. Sphingoglycolipidsarrow_forwardPlease don't provide handwriting solutionarrow_forward1. Define and give, at least, two examples for the different classes of lipids. Draw their structure. a. Saturated fatty acids b. Unsaturated fatty acids c. Triglycerides d. Phospholipids e. Steroids 2. Explain why a waxy surface coating is valuable for the survival of succulent plants in arid regions. 3. Why are vegetables and fruits coated with wax during shipping and upon storage? 4. From a health standpoint, how do cholesterol and lecithin in egg yolk complement each other? 5. Why do animals that live in cold climates tend to have higher percentages of polyunsaturated fatty acid and deposits in their lipids than animals that live in warm climates?arrow_forward
- When a carbon chain length of a fatty acid increases, which of the following occurs? And why? a) its polarity decreases as its solubility in water increases b) its polarity increases as its solubility in water decreases c) its polarity increases as its solubility in water increases d) its polarity decreases as its solubility in water decreasesarrow_forwardDefine the following terms: a. triacylglycerol b. phosphoglyceride c. fatty acid d. saturated fatty acid e. unsaturated fatty acidarrow_forwardThere are structural differences between saturated fatty acids, cis-unsaturated fatty acids, and trans-unsaturated fatty acids. • Why have some cities banned the use of trans-unsaturated fatty acids at restaurants? Trans-unsaturated fatty acids stack like unsaturated fatty acids and cost more energy to metabolize, making it substantially more dangerous to consume. Trans-unsaturated fatty acids stack like saturated fatty acids and cost more energy to metabolize, making it substantially more dangerous to consume. Trans-unsaturated fatty acids stack like saturated fatty acids and cost less energy to metabolize, making it substantially more dangerous to consume. None of the other answers are correct. O Trans-unsaturated fatty acids stack like unsaturated fatty acids and cost less energy to metabolize, making it substantially more dangerous to consume.arrow_forward
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Lipids - Fatty Acids, Triglycerides, Phospholipids, Terpenes, Waxes, Eicosanoids; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=7dmoH5dAvpY;License: Standard YouTube License, CC-BY