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Chemistry of CarbonChapter 2-3

Lipids

• Lipids are a large group of organic compounds that don’t dissolve in water.

Lipids

• Lipids are a large group of organic compounds that are not soluble in water.

Lipids

Uses of Lipids

• Long-term energy storage• Biological membranes• Chemical messengers• Waterproof coverings.

Types of Lipids• Fats - lipids that are made with one glycerol

molecule and three fatty acid chains. – Used for long-term energy storage, protection,

and insulation.

Types of Fat:Saturated

Unsaturated

What types of food are made of Saturated Fat? Unsaturated fat?

Solid at room temp

Liquid at room temp

Types of Fat:Saturated Unsaturated

Types of Lipids

• Phospholipids - lipids that have a polar headand two non-polar tails.– Major component of cell membranes.

Types of Lipids

• Steroids - lipids that contain four carbon rings. – Serve as chemical messengers in the body.

Types of Lipids

• Waxes - lipids that are made from alcohol and fat.– Used for waterproof coverings.

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