Monounsaturated 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. O B. Polyunsaturated fatty acids store more energy than monounsaturated fatty acids. O C. Polyunsaturated fats have a lower melting point than monounsaturated fatty acids. O D. Monounsaturated fats have a lower melting point than polyunsaturated fatty acids.

Monounsaturated 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. O B. Polyunsaturated fatty acids store more energy than monounsaturated fatty acids. O C. Polyunsaturated fats have a lower melting point than monounsaturated fatty acids. O D. Monounsaturated fats have a lower melting point than polyunsaturated fatty acids.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter3: Biological Molecules: The Carbon Compounds Of Life

Section: Chapter Questions

Problem 1ITD

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Saturated fatty acids are so named because they are saturated with (a) hydrogen (b) water (c) hydroxyl groups (d) glycerol (e) double bonds
Which of the statements are true? a. Triacylglycerols (triglycerides) contain ester bonds. b. Unsaturated fats have higher melting points than saturated fats. c. Unsaturated fats are more likely than saturated fats to be liquid at room temperature. d. Triacylglycerols (triglycerides) always contain three identical fatty acids. e. Fats that contain more saturated fatty acid residues than unsaturated fatty acid residues are more likely to be solid at room temperature.
Compared to olive oil, beef fat is has a higher proportion of A. long-chain unsaturated fatty acids. B. long-chain saturated fatty acids. C. short-chain unsaturated fatty acids. D. short-chain saturated fatty acids.
Polyunsaturated fatty acids a). are solid at room temperature b). have carbon-carbon double bonds c). are polar d). have high melting points
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?
Which of the following properties of a free fatty acid molecule would make it capable of producing the most energy when used as a fuel source, compared to other free fatty acids? a) A large number of unsaturated bonds b) Shorter hydrocarbon chain with a large number of carbonyl groups c) Longer hydrocarbon chain with a large number of saturated bonds d) Shorter hydrocarbon chain with a large number of saturated bonds
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
Which 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.
Which of the following statements concerning palmitic acid is INCORRECT? a. It can barely be dissolved in water. b. It is an unsaturated fatty acid. c. It is consisted of 16 carbons. d. It is a lipid.
Alkaline hydrolysis of one molecule of triacylglycerol yields _________ a. three molecules of glycerol and three moles of fatty acids b. three moles of glycerol and one mole of fatty acids c. one molecule of glycerol and three molecules of sodium salt of fatty acid d. three molecules of glycerol and one molecule of sodium salt of fatty acid
Which of the following statements about saturated fats is true? a. Saturated fats contain one or more double bonds along the tails. b. Saturated fats contain the maximum number of hydrogens along the tails. c. Saturated fats make up the majority of most plant oils. d. Saturated fats are typically healthier for you than unsaturated fats.
Why is hydrogenation so appealing that companies will continue to include hydrogenated oils in their products despite the social stigma that trans fats have acquired? If hydrogenation is supposed to produce saturated fats, then why do its byproducts include these undesirable trans unsaturated fats? Eliminating fat from the diet to decrease health risks, yet many nutrition arguments are being made about the importance and value of fats in a balanced diet. Discuss these points and how you feel fats can be incorporated into a healthy diet, if at all.