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Explain how the structure of glycogen makes it an efficient molecule for energy storage in animals.
Describe how the structure of cellulose contributes to its role in providing structural support in plants.
Compare and contrast the structures of amylose and amylopectin and explain how these differences affect their roles in plants.
How does the branching in polysaccharides like glycogen and amylopectin affect their solubility and accessibility for enzymatic action?
Discuss the role of chitin in arthropods and how its structure contributes to its function.
Describe the structure of a phospholipid and explain how this structure enables phospholipids to form the bilayer of cell membranes.
Explain how lipid-soluble molecules, such as steroid hormones, function in cell signaling.
Discuss the role of cholesterol in the cell membrane and how it affects membrane fluidity.
How do phospholipids contribute to the selective permeability of the cell membrane?
Explain the role of phospholipids in cell signaling, particularly in the context of lipid rafts.
Explain how the three-dimensional shape of an enzyme influences its catalytic activity.
Describe how the three-dimensional structure of hemoglobin enables it to transport oxygen in the blood.
How does the three-dimensional shape of a receptor protein influence cell signaling?
Explain how the three-dimensional shape of an antibody allows it to perform its role in the immune response.
Discuss how the three-dimensional shape of a membrane transport protein facilitates its function in moving substances across the cell membrane.
Explain how the structure of glycogen makes it an efficient molecule for energy storage in animals.
(Student response here)
Glycogen is highly branched, which allows for rapid release of glucose when energy is needed. The branching increases the surface area for enzyme action, enabling quick mobilization of glucose units. This structure is particularly beneficial for animals that require sudden bursts of energy.
Why is glycogen more efficient for energy storage in animals compared to starch?
Glycogen is more highly branched than starch, allowing for quicker mobilization of glucose.
Glycogen is less branched than starch, making it more compact.
Glycogen is composed of different types of glucose molecules than starch.
Glycogen is stored in the liver, while starch is stored in muscles.