Answered: In aqueous solutions, fatty acids… | bartleby

Ebk:Nutrition & Diet Therapy

Ebk:Nutrition & Diet Therapy

10th Edition

ISBN:9780357391747

Author:DEBRUYNE

Publisher:DEBRUYNE

Chapter22: Fat-controlled, Mineral-modified Diets For Cardiovascular Diseases

Section: Chapter Questions

Problem 4SC

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please help me answer numbers 2-7 even without explanation

Choose the letter of the best answer.
1. Common sources of unsaturated fatty acids, EXCEPT?
a.
Corn oil
b.
Fish oil
C.
Peanut oil
d
Soybean oil
2. In aqueous solutions, fatty acids associate with each other in
spherical clusters called:
Micelles
b
Spheres
3. These lipids contain esters and undergo hydrolysis under basic conditions,
EXCEPT
a
Waxes
b.
Triglycerides
C.
Steroids
d.
Sphingolipids
4. The body cannot synthesize some fatty acids and must be obtained from te
diet, what is/are examples of these fatty acids?
a
Linoleic acid
Palmitic acid
C.
Stearic acid
d.
Oleic acid
5. The fatty acids in a triglyceride molecule are usually not all the same; natural
triglycerides are often mixtures of many different triglyceride molecules. Why
are triglycerides solid at room temperature?
Contains mostly saturated fatty acids
Contains mostly unsaturated fatty acids
Contains polyunsaturated fatty acids
a.
b.
с.
d. None of the above
6. TRUE regarding Fatty acids, EXCEPT:
It has a carboxylic head which is hydrophilic
It contains nonpolar hydrocarbon tail
c. Longer fatty acids have lower melting points
d. Fatty acids usually have even number of carbon atoms
a.
b.
7. The cis-double bonds in unsaturated fatty acids put an inflexible "kink" in
the carbon chain, preventing the molecules from packing together as tightly
as saturated fatty acids do.
unsaturated fatty acids?
hich of the following are examples of
a. Stearic acid
b.
Palmitic acid
C.
Linoleic acid
d. Arachidic acid

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I. MULTIPLE CHOICE: Please choose the BEST ANSWER to the followingquestions below. 4. Which of the following best describe the physical properties of fatty acids?a. All physical properties of fatty acids are influenced by the length and degree ofunsaturation of their carbon chain.b. Melting points of fatty acids are influenced by the carbon chain length.c. Melting points of fatty acids are influenced by their degree of unsaturation.d. All the above.5. Triacylglycerols are ________.a. insoluble in water.b. partially soluble in water.c. soluble in water at elevated temperatures.d. soluble in water.6. The backbone of a triglyceride is __________.a. a three-carbon molecule with an aldehyde and two hydroxyl groups.b. a three-carbon molecule with three hydroxyl groups.c. esterified fatty acids fused with 1 to 3 carbons.d. three long-chain fatty acids.
I. MULTIPLE CHOICE: Please choose the BEST ANSWER to the followingquestions below.4. Which of the following best describe the physical properties of fatty acids?a. All physical properties of fatty acids are influenced by the length and degree ofunsaturation of their carbon chain.b. Melting points of fatty acids are influenced by the carbon chain length.c. Melting points of fatty acids are influenced by their degree of unsaturation.d. All the above.5. Triacylglycerols are ________.a. insoluble in water.b. partially soluble in water.c. soluble in water at elevated temperatures.d. soluble in water.6. The backbone of a triglyceride is __________.a. a three-carbon molecule with an aldehyde and two hydroxyl groups.b. a three-carbon molecule with three hydroxyl groups.c. esterified fatty acids fused with 1 to 3 carbons.d. three long-chain fatty acids.7. Triacylglycerols are _____ in their ability to store energy when compared to glycogen, theenergy storing form of glucose in the human body.a.…
Myristic, lauric and palmitic acids are fatty acids of, respectively: A) 13, 14, 15 carbons B) 12, 14, 16 carbons C) 14, 18, 20 carbons D) 14, 12, 16 carbons E) 16, 14, 12 carbons
CHOOSE THE CORRECT LETTER 1.What is the main storage form of fatty acids in the body?A.sphingolipidsB. triacylglycerolC.cholesterolD. phospholipids 2.Which of the following molecules is NOT a ketone body?A. acetyl-CoAB.acetoacetateC.acetoneD.B-hydroxybutyrale
What would happen to the functionality of cholic acid if 3 additional hydroxyl groups were added to the side of the molecule that usually has none? (In other words, there would be 6 hydroxyl groups evenly distributed around the molecule. A. There would be more thorough (better) digestion of fats. B. It would mix with the watery phase of chyme. C. It would mix with lipids in the fatty phase of chyme. D. Chemical digestion of lipids would be less effective. E. Both choices A and B are correct. F. Both choices B and D are correct.
Which of the following is/are NOT (an) essential fatty acids? A. arachidonic acid B. linoleic acid C. palmitic D. oleic acid
Compare and contrast “fat” (triglycerides) and fatty acids. I don't understand. Can you help me to explain to me, please?
Which of the following statements about trans-fatty acids is/are FALSE? a.Healthier than saturated FA. b.Formed from the hydrogenation of C=C. c.May be present in butter substitutes. d.Properties are similar to saturated FA.
Which of these lipids do not contain fatty acids? A) triacylglycerols b) phosphoglycerides c) sphingolipids d) steroids Which of these lipids contains glycerol? A) phosphatidylcholine b) sphingomyelin c) ceramide c) cerebrosides d) phosphatidylcholine Arachadonic acid is the precursor to which class of molecules? A) steroids b) sphingolipids c) eicosanoids d) glycolipids The fatty acid CH3CH2CH=CH(CH2)13COOH, using the ∆- system, would be named ∆ - ? a) 3 b) 4 c) 15 d) 16 The fatty acid CH3CH2CH=CH(CH2)13COOH, using the ω-- system, would be named ω - ? a) 3 b) 4 c) 15 d) 16
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Choose the monounsaturated fatty acid Select one : a. Linolenic acid b. Linoleic acid c. Oleic acid d. Stearic acid
Which of the following statements about trans-fatty acids is/are FALSE? A. Healthier than saturated FA. B. May be present in butter substitutes. C. Properties are similar to saturated FA. D. Formed from the hydrogenation of C=C.

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