(Solved): Worksheet - Levels of Protein Structure 1. Identify the type of bonding that occurs in the followin ...

Worksheet - Levels of Protein Structure 1. Identify the type of bonding that occurs in the following structures (levels) of proteins: a) Primary: b) Secondary: c) Tertiary: d) Quaternary: 2. How can 2 proteins with exactly the same number and type of amino acids have different primary structure? 3. How do the hydrogen bonds differ in a beta-pleated sheet from the alpha helix? 4. How is the secondary structure of a beta-pleated sheet different from that in a triple helix? 5. Why is Vitamin C important for our skin? 6. Why would one section of the protein chain move to the center while another section remains on the surface of the tertiary structure? 7. Would you expect to find Serine and Lysine on the outside or the inside of the tertiary structure? Why? 8. What is the difference between a tertiary and a quaternary structure? 9. What structural level is represented by the grouping of two sub-units in insulin? 10. Explain why globular proteins (albumin, myoglobin, casein...) are soluble in water.