Question 2 A reaction related to amino acid formation in the living tissue is depicted in the simplified potential energy diagram shown below. Use this diagram to answer the following questions about the specific reaction depicted. OH t NH2 + H,SO , NH2 + HSO O ---- AG" NH + H2SO4 + NH3 + H2O + H2SO + HSO4 + NH3 Reaction Progress a) Write the net overall forward reaction (5 POINTS] b) Which direction is spontaneous under standard conditions (forward or reverse)? (5 POINTS] c) Write the reaction for the specific step which is the rate-limiting step in the forward reaction? [5 POINTS) d) Write the reaction for the specific step which is the rate-limiting step in the reverse reaction? (5 POINTS)