lecture 4 - LIPIDS Lipids all share one common property:...

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LIPIDS • Lipids all share one common property: they have difficulty dissolving in water! • Fats and Oils are the most famous lipids: • Officially, both fats and oils are TRIGLYCERIDES • Triglycerides are made up of three fatty acids attached to a molecule of glycerol. – Fats tend to be solid; oils tend to be liquid – This is due to the saturation level of the fatty acids they contain. In humans, fats are used for. .. • Long term energy storage
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• Cushioning and insulation Phospholipids are another type of lipid: they contain a highly charged phosphate group instead of one of the fatty acids: this makes them ideal for composing our cell membranes. Steroids • Are the last type of lipid we will consider. • They are built of complex ring structures • Cholesterol is the most famous. • Other steroids include hormones (testosterone, estrogen), Vitamin D, etc.
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Proteins • All proteins are made up of subunits called amino acids. • There are 20 different amino acids in living things.
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This note was uploaded on 06/17/2008 for the course BIO 202 taught by Professor Dean during the Spring '08 term at SUNY Stony Brook.

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lecture 4 - LIPIDS Lipids all share one common property:...

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