Lipids

Ashley, Brenda, Chy

What is Lipids?

Any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.

Parts

  1. Glycerol: Monomer
  2. Fatty acids: Polymer

Functions of lipids

Lipids function as an energy store.

  1. Triglycerides
  2. Steroids
  3. Phospholipids
  4. Glycolipids
  5. Lipoproteins
  6. Waxes

Where are lipids found?

Lipids are found in the cell membrane. There is not a single subcellular compartment that does not contains lipids of some sort.

What is the difference between saturated and unsaturated fatty acids?

Saturated Fats: (Meats, butter, dairy products) are solid at room temperature

Unsaturated Fats: (vegetable oils) are liquid at room temperature.

Interesting Facts

The presence of lipids can be checked with emulsion test.
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Types of Lipids

  1. Fats
  2. Steroids
  3. Waxes
  4. Vitamins