Download UNIT 3 * Macromolecules and enzymes

[UNIT 3 –ENZYMES
CLASS NOTES OUTLINE
Enzymes
1. Define enzyme –
2. Enzymes can perform their functions ____________________________.
3. Define chemical reaction –
4. Energy and mass can __________________ in chemical reactions but they cannot be
______________________ or ________________________.
5. Reactants ______________________ a chemical reaction and are turned into
__________________.
6. Write the chemical formula for Hydrogen combining with Oxygen:
7. Every chemical reaction has an _____________________________.
8. Define activation energy –
9. What is needed before magnesium can react with oxygen?
10. Enzymes ________________ the activation energy of a chemical reaction.
a. This makes the reaction occur more _________________ and ________________.
11. Enzymes are _______________________ protein molecules based on ______________.
Written by James Dauray
http://www.aurumscience.com/biology/index.html
1
[UNIT 3 –ENZYMES
CLASS NOTES OUTLINE
Digestive System
12. There are hundreds of _____________ in the human body.
13. Which system uses the most enzymes?
14. What is mechanical digestion?
15. Saliva contains two enzymes: ___________________ and ________________.
16. What reaction does amylase catalyze?
a. What is the optimal pH of amylase?
17. What reaction does lipase catalyze?
a. What is the optimal pH of lipase?
18. What is the pH of the stomach?
a. What acid is present in the stomach?
b. What ion makes something acidic?
19. The main enzyme of the stomach is _____________________.
a. What is the optimal pH of pepsin?
Written by James Dauray
http://www.aurumscience.com/biology/index.html
2