Gravh $3$

III.

a$)$ Using graph $1,$ explain how enzymes work. How does the addition of a catalyst affect the energy of activation of a chemical reaction? Compare the two curves, explain which is with the enzyme.

b$)$ Using graph $2,$ explain how temperature affects enzyme activity. Use the word denature.

c$)$ Using graph $3,$ explain how pH affects enzyme activity. Relate to temperature effect