Key Concepts exam 2

Key Concepts exam 2 - Key Concepts 6 1. How do lipids...

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Key Concepts 6 1. How do lipids differ from the other 3 classes of macromolecules? 2. What does "saturated" mean, in the context of fatty acids? What is the effect on the shape of the fatty acid if it is not saturated? Which are liquid or solid, and why? 3. Which kinds of fats can be problems in human diets: saturated, unsaturated, polyunsaturated, or partially hydrogenated? 4. What is special about phospholipids and how are they able to form barriers in cells? 5. What are the three classes of macromolecules that make up membranes? 6. Explain the "fluid mosaic model." 7. How do cells regulate the fluidity of membranes? What membrane elements would be beneficial to an organism living in a very cold environment? In a very hot one? 8. How does membrane function to keep important transmembrane proteins close to one another (and why would they need to do that?)
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9. What is it about phospholipids that enable them to form the barriers necessary to regulate cell contents? 10.
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Key Concepts exam 2 - Key Concepts 6 1. How do lipids...

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