University of Santo Tomas – Department of BiochemistryCHEM 200 Lecture

Name: Yr. & Sec.

Diagram 1

1. Is DG° for the reaction positive or negative? Label it on the diagram.

2. How many steps are involved in the reaction?

3. How many transition states are there? Label them on the diagram.

Diagram 2

1. How many steps are involved?

2. Which step is most exergonic?

3. Which step is slowest?

Answer the following:

1. What is the difference between a transition state and an intermediate?