Lecture 15 Lipids

Lecture 15 Lipids - Biol141 Foundations in Modern Biology...

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Biol141 Foundations in Modern Biology Cellular Biology and Genetics Lecture 16 – Monday, October 3 rd , 2011 Lipids Reading: Freeman, Emory 2 nd Ed. Chapter 6 (pages 82-89)
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Learning objectives At the end of this lecture, you will be able to: 1) Describe the three most important kinds of lipids found in cells. 2) Discuss the structures formed by amphipathic lipids in water . 3) Explain the four factors that influence the permability behavior of a cell membrane.
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Fats store twice as much energy per gram compared to carbohydrates.
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Consider the following: 1) Why do fatty acids have ~twice as much potential energy as carbohydrates? 2) How do you predict the interaction of a carbohydrate or a fatty acid with water would differ? 3) Keeping the total amount of potential energy the same, if you converted all of the fat in your body to carbohydrate, predict the impact on your body weight.
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are carbon-containing compounds that are largely nonpolar and hydrophobic. Hydrocarbons are nonpolar molecules that contain only carbon and hydrogen. Lipids do not dissolve in water because they have a major hydrocarbon component called a fatty acid . A fatty acid is a
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This note was uploaded on 04/02/2012 for the course BIO 141 taught by Professor Dr.cafferty during the Fall '11 term at Emory.

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Lecture 15 Lipids - Biol141 Foundations in Modern Biology...

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