What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 3, Problem 6MC
Summary Introduction
Introduction:
Degrees of saturation refer to the presence of double bonds in the fatty acid.
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Select the correct statement about unsaturated fatty acids:
1. Unsaturated fatty acids have extra nitrogen atoms in their hydrophobic tails compared to saturated fatty acids
2. Unsaturated fatty acids have multiply bonded carbons in their hydrophobic tails compared to saturated fatty acids which have only single bonded carbons
3. Unsaturated fatty acids have no bends in their hydrophilic fatty acid tails
4. Unsaturated fatty acids have relatively more hydrogen atoms in their hydrophobic tails compared to saturated fatty acids
All of the following are examples of
monounsaturated fatty acids except
A. Palmitoleic acid
B. Oleic acid
C. Elaidic acid
D. Linoleic acid
A fatty acid is unsaturated if ita. contains hydrogen.b. contains carbon–carbon double bonds.c. contains a carboxyl (acidic) group.d. is bound to a glycerol.
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What Is Life? A Guide to Biology with Physiology
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- Rank the fatty acids in each group in order of increasing melting point. A<C<B B<C<A B>C>A A>C>Barrow_forwardMonounsaturated fatty acids have a single double bond. Polyunsaturated fatty acids have multiple double bonds. Which of the following statements is true? O A. Monounsaturated fatty acids store more energy than polyunsaturated fatty acids. B. Polyunsaturated fatty acids store more energy than monounsaturated fatty acids. C. Polyunsaturated fats have a lower melting point than monounsaturated fatty acids. D. Monounsaturated fats have a lower melting point than polyunsaturated fatty acids. ered MacBook Air 딤O F3 000 F1 O00 F4 F5 F6 F7 F2 $ %arrow_forwarda. Write one example each of a saturated fatty acid and its occurrence in nature (what plant or animal) b. An example of a Mono unsaturated fatty acid and occurrence of this fatty acid in nature (what plant or animal) c. an example of a polyunsaturated fatty acid and its occurrence in nature (what plant or animal)arrow_forward
- These lipids contain esters and undergo hydrolysis under basic conditions, EXCEPT:a. Waxesb. Triglyceridesc. Steroidsd. Sphingolip;idsarrow_forwardWhich of the following is incorrect about an omega-3 fatty acid whose hydrocarbon chain has only one double bond? a. It is a monounsaturated fatty acid O b. None; all the other choices are correct Its double bond is between C #3 and C # 4 from the carboxyl group Od. Its shape is not straight or linear C.arrow_forwardWhy does dari creme exist in a solid form at a normal room temperature? Magnolia Pinipili ng MAPILING ina DARICREME Classic 0% Trans Fat Formyed with 4D&E PREMIUM MARGARINE CHOLESTEROL-FREE FOOD Keep Refrigeraed (2-10 C) Net Wt. 200g (7.05 oz) Philippine Market #OnlineShop in TOKYOarrow_forward
- Rank the following fatty acids from lowest melting temperature to highest melting temperature. A -0-c B-0-c -0-2 D-0-84 OBarrow_forwardWhich of the following statements concerning fatty acids is correct? a. Used to make phospholipids b. They all contain one or more double bonds. c. They are a constituent of sterols. d. They are strongly hydrophilic.arrow_forwardWhich of the following about glycerophospholipids and sphingolipids is incorrect? Select one: A. Both glycerophospholipids and sphingolipids are used as component of cell membrane. OB. Glycerophospholipids have two fatty acids connected to a glycerol backbone with a phosphate polar head group. * C. Both glycerophospholipids and sphingolipids contain at least one fatty acid. D. Sphingolipids have a sphingosine backbone in which a fatty acid can be attached to C1 and a sugar can be attached to C2. E. Ceramides are the precursors of all sphingolipids.arrow_forwardThe following are essential fatty acids, EXCEPT: OA. oleic acid B. linoleic acid O c. linolenic acid O D. arachidonic acidarrow_forward1. a. How will you classify Lipids? Differentiate the Simple, Compound and Derived lipids. b. Write down the details about structure and functions of fatty acids.arrow_forwardMatch the following descriptions with the correct lipid-based compounds: Cholesterol Sphingolipids Phosphoacylgycerol Glycerophospholipids Fatty acyls…arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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