1.- What is a energy of activation ? What is the action of the enzyme over the energy of activation ?____________________________

2.- Please name the 6 types of enzymes. Please explain 3 of them. ___________________________________.

3.- Please name the differences between competitive and noncompetitive inhibition _________________________

4.- What is a cofactor? Please name 2 of them. ________________________.

5.- Please name the optimal conditions, and its values, for the action of the enzymes. __________________________.

6.- What means catalyst? _______________________________-

7.- Enzymes:

a) Are proteins.

b) Lower required activation energy

c) Speed up biological chemical reactions.

d) All of the above.