1. What are essays:
2. How to plan essays:
3. How to link paragraphs to key point of essay questions. Practice of A02 skill:
4. Skip to 56 minutes: Video showing how to plan, write perfect paragraphs and apply A02 to marking grid for 2 essays titles:

Essay activities: 

1. Protein structure essay activity is here 

2. Enzyme example essay can be found here, the instructions of what to do with the essay can be found here.