Proteins

• What is responsible for the variety of protein shapes and functions

  The sequence of amino acids
• The condition that an enzyme is most active at

  Optimum
• Name the subunits of a protein and type of bond that joins them together

  SUB-UNITS: amino acids

  TYPE OF BOND: peptide
• List five different functions of proteins

  Structural

  Enzymes

  Hormones

  Antibodies

  Receptors
• List three properties of biological catalysts and state what they are called

  • Speed up chemical reactions
  • Are not used up in the reaction
  • Made by all living cells
• Biological catalysts are called

  Enzymes
• Part of the enzyme where the substrate binds.

  Active site
• What is the term used to describe a change to the active site of an enzyme that reduces the rate of reaction

  denatured
• Give the definition of specific

  The shape of the active site of an enzyme molecule is complementary to its specific substrate(s)

  Each enzyme only works on one substrate
• Name these two types of reaction enzymes can be involved in

  Synthesis reaction

  Degradation Reaction