chapt 3.3 proteins

• functions

  1. synthesise enzymes and hormones
  2. synthesise new cytoplasms for growth and repair of cells
  3. form antibodies
• elements

  made up of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
• made up of amino acids

  1. many amino acids join linearly forming polypeptides
  2. linked up to form a long chain of amino acids
  3. folded to form a 3d shape