DNA

• what are carbohydrates?

  • organic molecules made of C, H and O biologically relevant eg starch and cellulose
  • both of these are polymers made of glucose (other carbohydrate) monomers
  • their structures differ in the way the glucose molecules are joined together
• what is DNA? describe its role and structure.

  • material that makes up chromosomes - cell structures that store genetic information
  • made up of 2 polymer chains that are held together in a double helix
  • each polymer chain can be made from 4 different monomers - nucleotides
  • deoxyribonucleic acid