Lipids

• What are properties of triglycerides?

  • energy storage - large number of energy-storing of carbon-hydrogen bonds
  • act as metabolic water source
  • hydrophobic - insoluble and doesn't affect water source
  • can be stored without increasing mass
• What do triglycerides contain?

  consists of a glycerol backbone esterified with 3 fatty acids
• What is an R group?

  a fatty acid that is saturated or unsaturated
• What is meant by saturated?

  contains no carbon double bonds
• What is meant by unsaturated?

  contains carbon double bonds
• What does a phospholipid contain?

  contains a phosphate group, a glycerol molecule, and two fatty acid chains
• What is COOH?

  carboxyl