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15. Polysaccharides are A. Carbohydrates B. Lipids C. proteins D. unsaturated fats

15. Polysaccharides are A. Carbohydrates B. Lipids C. proteins D. unsaturated fats

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Educational Content on Biomolecules #### Question 15 **Polysaccharides are:** A. Carbohydrates B. Lipids C. Proteins D. Unsaturated fats #### Question 16 **Lipids are:** A. Polar molecules B. Similar to water molecules C. Protein molecules D. Hydrophobic #### Question 17 **Lipids are good energy storage molecules because:** A. They can absorb a large amount of energy while maintaining a constant temperature. --- ### Explanation of Concepts **Polysaccharides:** Polysaccharides are complex carbohydrates composed of long chains of monosaccharide units. They serve various functions in living organisms, such as energy storage (e.g., starch, glycogen) and structural support (e.g., cellulose in plants). **Lipids:** Lipids are a diverse group of hydrophobic molecules that include fats, oils, and waxes. They are primarily composed of hydrocarbons, making them non-polar and insoluble in water. Lipids are essential for storing energy, forming cell membranes, and signaling within organisms. **Energy Storage:** Lipids are efficient energy storage molecules due to their high energy density, which provides more energy per gram than carbohydrates or proteins. This efficiency is crucial for animals, especially those with limited access to frequent food sources.
Transcribed Image Text:### Educational Content on Biomolecules #### Question 15 **Polysaccharides are:** A. Carbohydrates B. Lipids C. Proteins D. Unsaturated fats #### Question 16 **Lipids are:** A. Polar molecules B. Similar to water molecules C. Protein molecules D. Hydrophobic #### Question 17 **Lipids are good energy storage molecules because:** A. They can absorb a large amount of energy while maintaining a constant temperature. --- ### Explanation of Concepts **Polysaccharides:** Polysaccharides are complex carbohydrates composed of long chains of monosaccharide units. They serve various functions in living organisms, such as energy storage (e.g., starch, glycogen) and structural support (e.g., cellulose in plants). **Lipids:** Lipids are a diverse group of hydrophobic molecules that include fats, oils, and waxes. They are primarily composed of hydrocarbons, making them non-polar and insoluble in water. Lipids are essential for storing energy, forming cell membranes, and signaling within organisms. **Energy Storage:** Lipids are efficient energy storage molecules due to their high energy density, which provides more energy per gram than carbohydrates or proteins. This efficiency is crucial for animals, especially those with limited access to frequent food sources.
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