“1-Define Energy.
2- What is Potential energy?
3- What is Kinetic energy?
4-Define Metabolism and name the two main types of metabolism.
5-Define an Enzyme and name the most important classes of Enzymes.
6- Name the three Metabolic Pathways.
7-What is Aerobic cellular respiration?
8-What is Anaerobic respiration?
9- Define Fermentation.
10.Name the final Products of Anaerobic Respiration.

1. – What is the main function of enzymes in our body? 
2. – Please name the 6 types of enzymes:
3. – What is Energy of Activation, for the enzymes? 
4. – Factors that affect enzyme activity include: 
5. – What is a cofactor:”