Phospholipids

• how are phospholipids differ to triglycerides

  in their structure
• what does phospholipids have

  • a glycerol
  • 2 fatty acids
  • phosphate group
• draw a phospholipid 


  .

  
• which part of a phospholipid is hydrophobic

  tail where it has 2 fatty acids
• which part of a phospholipid is hydrophilic

  head where it has phosphate + glycerol
• what are phospholipids an important part of

  cell membranes
• what 4 elements are amino acids made up of

  • carbon
  • hydrogen
  • oxygen
  • nitrogen
  • (sometimes sulphur is also found)
• what is the r group called

  the variable group
• what does the r group represent

  • the rest of the molecules
  • as there are 20 different variable groups