• Created by: Fizzy55
  • Created on: 17-11-14 21:00

Amino acid structure:

  • All AA's have the same general structure - a carboxyl group (COOH) and an amino group (NH2) attached to a carbon atom.
  • difference between different AA's - varible R group.

Structure of Amino Acid                                           Structure of Glycine 


  • glycine is the smallest AA - the R group is a hydrogen atom.

Joining and breaking Amino Acids:

  • Dipeptide - 2 AA joined together.
  • Polypeptide - more than 2 AA joined together.
  • Proteins - made up of 1 or more polypeptides.
  • AA are linked…


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