Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3.5, Problem 1TYK
Hydrolysis of a triglyceride yields
- 3 glycerols and 3 fatty acids.
- 1 glycerol and 3 fatty acids.
- 3 glycerols and 1 fatty acid.
- 3 glycerols and 6 fatty acids.
- a shorter triglyceride.
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TRUE OR FALSE
TRIGLYCERIDE:
I. Formed through dehydration resulting in loss of water
II. Formed through hydrolysis resulting in loss of water
III. Formed from reaction of hydroxyl group of glycerol and carboxyl group of fatty acids
Construct and name the structure of a monoglyceride
Two diglycerides (positions 1,2 and 1,3) and
two triglycerides (one mixed and one simple) using
the following fatty acids.
Myristic
Oleic
Laurico
ice = oil
G
Fatty acid
Fatty acid
Fatty acid
Match each of the following aspects of triacylglycerols (TAGs) with the main
structural feature which makes it possible. You may use each match only once.
Ester linkages are
vulnerable to hydrolysis.
TAGS are not amphipathic.
TAGS are hydrophobic and
are stored anhydrously.
Most of the carbons in TAG
are highly reduced.
1.
2.
3.
4.
TAGS can produce more energy per
carbon than glycogen.
TAGS can be stored safely, without
danger of dissolving cell
membranes.
TAGS are a much lighter energy
store than an equivalent amount of
glycogen.
The free fatty acids can be readily
liberated from the TAGS when they
are required for energy production.
Chapter 3 Solutions
Principles of Biology
Ch. 3.1 - Carbon has an atomic number of ___________ and has...Ch. 3.1 - Prob. 2TYKCh. 3.2 - Formation of polymers from monomers typically...Ch. 3.3 - Which of the following classes of organic...Ch. 3.4 - Prob. 1CCCh. 3.4 - Prob. 1BCCh. 3.4 - Glucose, galactose, and fructose are examples of...Ch. 3.4 - _____________ is a storage polysaccharide commonly...Ch. 3.5 - When water and oil are added to a test tube, the...Ch. 3.5 - For a more detailed view of the components of cell...
Ch. 3.5 - Hydrolysis of a triglyceride yields 3 glycerols...Ch. 3.5 - Which of the following are highly amphipathic?...Ch. 3.6 - Which of the following is the primary structure of...Ch. 3.6 - A peptide bond is formed between amino groups of...Ch. 3.7 - If the sequence of bases in one strand of a DNA...Ch. 3.7 - Prob. 1TYKCh. 3.7 - Which of the following is not found in DNA?...Ch. 3 - Which of the following is a common functional...Ch. 3 - Prob. 2TYCh. 3 - Prob. 3TYCh. 3 - Which of the following bonds is/are nonpolar?...Ch. 3 - Prob. 5TYCh. 3 - Prob. 6TYCh. 3 - Prob. 7TYCh. 3 - Prob. 8TYCh. 3 - Prob. 9TYCh. 3 - Prob. 10TYCh. 3 - Imagine that a proteins primary structure could...Ch. 3 - Explain the difference between saturated and...Ch. 3 - Prob. 3CCQCh. 3 - Prob. 1CBQCh. 3 - Prob. 2CBQ
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- Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsarrow_forwardAn illustration of a simple triacylglycerol is given. Choose which type of fatty acid is described by each of the given phrase Choices: A, B, C (Refer to picture) 1. a hydrocarbon chain that bends once 2. a polyunsaturated fatty acid chain 3. cannot be saturated by vitamins 4. absorbs the highest number of iodine 5. can be completely saturated by an I2 moleculearrow_forwardPhosphoglycerides are composed of: (select all that apply) Group of answer choices sphingosine aminoalcohol phosphate group fatty acids glycerol monosaccharidearrow_forward
- contain a glycerol backbone attached to three fatty acids.arrow_forwardSamples of three different triglycerides, A, B, and C, were tested to determine the melting point of each one. The results of the tests are shown in the graph. The length of the fatty acids in A, B, and C is the same. Which of the three triglycerides is likely to have the most saturated fatty acid side chains? triglyceride C triglyceride B triglyceride A There is no way of knowing based on the information availablearrow_forwardOne of the following is not a structural lipid. Sphingomyline Triglycerides Phosphatidylcholine O. All choices are structural lipids Cholesterolarrow_forward
- Which of the following is NOT TRUE about unsaturated fatty acids?arrow_forwardA mixed triglyceride contains: O A. three similar fatty acids esterified with glycerol B. two similar fatty acids esterified with glycerol O C. three different fatty acids esterified with glycerol all of the above 35arrow_forwardTriglycerides are comprised of glycerol plus ____ fatty acids, and are ____ compared to fatty acids. 3; more polar 3; less polar 2; less polar 2; more polararrow_forward
- Cholic acid and deoxycholic acid function in solubilizing dietary lipids in the process of digestion and thereby help in their absorption in the intestine. These molecules belong to which category of lipids? triacylglycerols O glycerophospholipids O sphingolipids terpenes steroidsarrow_forwardA triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. O True O Falsearrow_forwardSamples of three different triglycerides, A, B, and C, were tested to determine the melting point of each one. The results of the tests are shown in the graph. The length of the fatty acids in A, B, and C is the same. Which of the three triglycerides is likely to have the fewest double bonds in the fatty acid side chains? triglyceride C There is no way of knowing based on the information available triglyceride A triglyceride Barrow_forward
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