Lipids. General Uses of Lipids Types A. FATS AND OILS General Structure of Triglycerol.

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Presentation transcript:

Lipids

General Uses of Lipids

Types

A. FATS AND OILS General Structure of Triglycerol

H O H – C – O – C – R O H – C – O – C - R O H – C – O – C - R H

Fats vs. Oils

Essential Fatty Acids

Trans Fats Notice the position of the hydrogen atoms where the double bonds are. Which shape is more like saturated fatty acids?

Trans Fats How do we get trans fatty acids? How does this affect the properties of the molecule?

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Effects of Trans Fats

B. Phospholipids

Phospholipid Bilayer of Cell Membrane -“like” molecules attract “like” molecules

C. Steroids cholesterol Sex Hormones

Effects of Testosterone

Side Effects of Steroids

Cholesterol: The Good, The Bad, The Ugly LDL: low density lipoprotein (bad) HDL: high density lipoprotein (good) Leads to atherosclerosis

D. Waxes Ear Wax Bee Wax Cutin on fruits and plants