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Questions and Answers
What happens when nonsaponifiable lipids undergo hydrolysis?
What happens when nonsaponifiable lipids undergo hydrolysis?
- There will be no change.
- It can be disintegrated into smaller molecules.
- It will produce smaller molecules.
- It cannot be disintegrated into smaller molecules. (correct)
Why are lipids important in biological systems, especially in cells?
Why are lipids important in biological systems, especially in cells?
- They aid in body temperature regulation.
- They are part of the diet.
- They form a barrier dividing a cell from its environment. (correct)
- They protect muscles.
What happens to the water solubility of fatty acids as the carbon chain length increases?
What happens to the water solubility of fatty acids as the carbon chain length increases?
- Solubility decreases. (correct)
- Solubility increases.
- Solubility will not increase.
- Solubility does not change.
Why is triacylglycerol more efficient for energy storage than glycogen?
Why is triacylglycerol more efficient for energy storage than glycogen?
Which sugar is commonly used in soft drinks and has a longer shelf life?
Which sugar is commonly used in soft drinks and has a longer shelf life?
Which type of carbohydrate is least commonly found free in nature but is important for cell recognition?
Which type of carbohydrate is least commonly found free in nature but is important for cell recognition?
Why is fructose often used instead of sucrose in food products in the U.S.?
Why is fructose often used instead of sucrose in food products in the U.S.?
For a polyunsaturated fatty acid, what is the most likely explanation for having the lowest melting point compared to saturated and monounsaturated fatty acids?
For a polyunsaturated fatty acid, what is the most likely explanation for having the lowest melting point compared to saturated and monounsaturated fatty acids?
What is the most likely explanation for John's fatigue, considering he lost 7 kg but reported fatigue and low exercise performance?
What is the most likely explanation for John's fatigue, considering he lost 7 kg but reported fatigue and low exercise performance?
Which of the following lipids functions as an emulsification agent?
Which of the following lipids functions as an emulsification agent?
Flashcards
Hydrolysis of Nonsaponifiable Lipids
Hydrolysis of Nonsaponifiable Lipids
Nonsaponifiable lipids cannot be broken down into smaller molecules through hydrolysis.
Lipids in Biological Systems
Lipids in Biological Systems
Lipids form a mechanical barrier dividing a cell from the external environment, providing structure and protection.
Fatty Acid Solubility
Fatty Acid Solubility
As the carbon chain length of fatty acids increases, their water solubility decreases.
Triacylglycerols vs. Glycogen
Triacylglycerols vs. Glycogen
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High Fructose Corn Syrup (HFCS)
High Fructose Corn Syrup (HFCS)
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Oligosaccharides Function
Oligosaccharides Function
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Fructose vs. Sucrose
Fructose vs. Sucrose
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Polyunsaturated Fatty Acids
Polyunsaturated Fatty Acids
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Refined Carbs Effect
Refined Carbs Effect
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Triacylglycerols Advantage
Triacylglycerols Advantage
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Study Notes
- Nonsaponifiable lipids cannot be disintegrated into smaller molecules via hydrolysis.
- Lipids are significant in biological systems, especially cells, because they form a mechanical barrier which divides a cell from the external environment.
- Water solubility decreases as the carbon chain length of fatty acids increases.
- Triacylglycerol is more efficient at storing energy than glycogen because large quantities pack into a small volume within the body.
- High fructose corn syrup is commonly used in soft drinks due to longer shelf life.
- Oligosaccharides are least commonly found free in nature but are important in cell recognition.
- Fructose is cheaper and sweeter than sucrose, the reason for its use in food products.
- Polyunsaturated fatty acids have the lowest melting point because double bonds decrease packing efficiency.
- Mark's blood glucose rose significantly after eating white bread and jam because refined carbohydrates cause a rapid sugar spike.
- Triacylglycerols store more energy per gram than glycogen for energy storage.
- The presence of a cis double bond in monounsaturated fats improves cell membrane fluidity.
- Athletes consume diets rich in carbohydrates to provide quick and sustained energy for performance.
- A high-fiber diet may cause fermentation and gas buildup during high-intensity training if hydration is not adequate, impairing performance.
- The carbon chain length of fatty acids most directly influences their water solubility.
- John might be fatigued because his body lacked enough carbohydrates to maintain glycogen stores for energy.
- Bile acids function as emulsification agents.
- Oligosaccharides act as markers on glycoproteins for immune recognition.
- Polyunsaturated fatty acids have two or more double bonds.
- Mr. Johnson's lipid imbalance most affects the development of atherosclerotic plaques in blood vessels.
- Soluble fiber slows gastric emptying, leading to moderated postprandial glucose levels, benefiting glucose metabolism.
- The arrangement of oligosaccharides determines human blood type.
- Ganglioside is a component of brain tissue classified as a glycolipid.
- Anna should moderate her intake of high-fructose corn syrup because it contributes to insulin resistance through hepatic lipogenesis.
- A cis double bond causes a bend in monounsaturated fatty acids.
- Fructose is easier to blend and gives food a longer shelf life.
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