1. A mixture of octanol and water will separate into polar and non-polar phases. Explain how the hydrophobic effect results in this separation ( 2 marks) 2. Explain why the "lock and key" and "induced fit" models of enzyme function where the active site is complementary to the substrate of the enzyme is not very accurate. ( 1 mark) 3. Circle the hydrogen bond acceptors in caffeine (plus 0.5 marks for every correctly identified acceptor, minus 0.5 marks for every incorrectly identified acceptor): 4. What class of enzyme is amylase that catalyzes the reaction shown below? ( 1 mark) What molecule is missing from the below reaction? ( 1 mark)