PROTEINS- WORKSHEET
Answer the following questions using your worksheets, book and class notes. Write the answers in your
notebook or on the relevant worksheet.
1. Proteins have how many structural levels?
2. Draw and label primary, secondary, tertiary and quaternary structures of proteins.
3. Which forces are responsible from forming the secondary and tertiary structures?
4. Which structural level/s form/s the functional protein?
5. List the functıon of the proteins in the living things.
6. Draw and label fibrous and globular proteins.
7. Fibrous or globular proteins represent which structural level/s?
8. Why is it important that fibrous proteins are insoluble wheras globular proteins are soluble in water?
9. What happens to the egg white when it is cooked? Why?
10. Draw and label diagrams showing denaturation and renaturation.
11. What happens to the structure and function of a protein if it is denatured?
12. Give a daily life example of denaturation and renaturation. Identify the denaturing factor in your example.