This PPT discusses what enzymes are, activation energy, the lock and key model and the Induced fit model, tertiary structure and exam questions with answers. A good resource to use as a teacher or as a student.
This is for a 100 minute lesson, but there are two tasks which could be split over two 50 min lessons.
The Timeline Poster is one activity and the Darwin text based activity is the second activity.
The text may be too textual for low ability or low reading age students, my low reading age group had an LSA and they were ACE!