BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Question
Chapter 3, Problem 6SA
Summary Introduction
To determine:
Whether the statement “Unlike saturated fats, all unsaturated fats are beneficial to health because their fatty acid tails kink and do not pack together”, is true or false.
Introduction:
The organic compounds which are fatty, waxy, or oily are known as lipids. These compounds are hydrophobic and many of them incorporate fatty acids. The region of the fatty acids having a carboxyl group “head” is hydrophilic, and a long hydrocarbon chain “tail” is hydrophobic.
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Is this statement true or false? Unlike saturated fats, allunsaturated fats are beneficial to health because theirfatty acid tails kink and do not pack together.
When natural monounsaturated fats generally undergo the chemical
process of partial hydrogenation, their fatty acid chains are converted into
the following two forms: trans and saturated.
O True
False
Most animal fats are solid at room temperature, whereas plant and fish oils tend to be liquid. Both contain fatty acids. Can you predict which type of fat contains saturated fatty acids, and which type contains unsaturated fatty acids?
Chapter 3 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 3 - Organic molecules consist mainly of _______ atoms....Ch. 3 - Each carbon atom can bond with as many as...Ch. 3 - _______ groups are the acid part of amino acids...Ch. 3 - _______ is a simple sugar a monosaccharide. a....Ch. 3 - Unlike saturated fats, the fatty acid tails of...Ch. 3 - Prob. 6SACh. 3 - Steroids are among the lipids with no _______. a....Ch. 3 - Name three kinds of carbohydrates that can be...Ch. 3 - Which of the following is a class of molecules...Ch. 3 - _______ are to protein as ______ are to nucleic...
Ch. 3 - A denatured protein has lost its _______. a....Ch. 3 - A ______ is an example of protein secondary...Ch. 3 - Prob. 13SACh. 3 - Match the molecules with the best description. ___...Ch. 3 - Match each polymer with the components. ___...Ch. 3 - Lipoprotein particles are relatively large,...Ch. 3 - In 1976, a team of chemists in the United Kingdom...
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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_forwardUnlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ________. a. phosphate group c. double bonds b. glycerols d. single bondsarrow_forwardSaturated fatty acids are so named because they are saturated with (a) hydrogen (b) water (c) hydroxyl groups (d) glycerol (e) double bondsarrow_forward
- Certain fats are important components of a healthy diet. But trans-fats are associated with increased risk of heart disease. Are trans-fats saturated or unsaturated fatty acids? What is the difference in chemical structure between a trans-fat versus a cis-fat?arrow_forwardSaturated fatty acids are called "saturated" because they are saturated with what component? C, H, or double bonds?arrow_forwardRank the fatty acids in each group in order of increasing melting point. A<C<B B<C<A B>C>A A>C>Barrow_forward
- Lipids are composed of one or more long chains of amino acids. True or false?arrow_forwardWhat is the difference between saturated and unsaturated fatty acids? Give an example for each type of fatty acidarrow_forwardCysteine is the amino acid that participates in disulfide bonds in proteins. True or false?arrow_forward
- Describe how the chemical bonds in unsaturated fatty acids make them healthier for blood vessels than saturated fatty acids.arrow_forwardDescribe the differences between saturated fatty acids and unsaturated fatty acids in terms of their chemical structures. What is a polyunsaturated fatty acidarrow_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_forward
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