Lipids

• Test for lipids

  -add ethanol

  -add water 

  -shake

  -positive=milky emulsion
• What is the main function of lipids in the body?

  Lipids serve as a source of energy, insulation, and protection for organs.
• Where are lipids primarily stored in the body?

  Lipids are primarily stored in adipose tissue, also known as fat cells.
• What is the difference between saturated and unsaturated lipids?

  Saturated lipids contain only single bonds between carbon atoms, while unsaturated lipids contain at least one double bond.
• What are lipids?

  Lipids are molecules that are insoluble in polar solvents such as water, but are soluble in nonpolar solvents.
• What is the basic structure of a fatty acid?

  A fatty acid is a long hydrocarbon chain with a carboxyl group (-COOH) at one end.
• What is a triglyceride?

  A triglyceride is a glycerol molecule with three fatty acid chains attached.
• What is a phospholipid?

  A phospholipid is a lipid molecule with a phosphate group attached to a glycerol backbone, and two fatty acid chains.