Amino Acids

• What are proteins made from?

  long chains of amino acids
• What are the monomers of proteins?

  amino acids
• When is a dipeptide formed?

  when 2 amino acids join together
• When is a polypeptide formed?

  when more than 2 amino acids join together
• proteins are made up of.......?

  1 or more polypeptides
• what do different amino acids have?

  different variable groups
• what do amino acids have the same as other amino acids?

  same general structure
• what is the general strucutre that all amino acids have?

  • a carboxyl group -COOH
  • An amine / amino group -NH2
  • An R group (a variable side group)
• What is the R group in an amino acid also known as?


  A variable side group
• What do all living things share?

  a bank of only 20 amino acids
• what is the only difference between all 20 amino acids?

  What makes up their R group