Protein Questions

Answer in complete sentences on a separate sheet of paper.

1. What elements are found in proteins?
2. Define amino acid, protein, peptide, polypeptide.
3. Describe the basic building blocks of proteins.
4. What functional groups are in all proteins?
5. Compare and contrast functional groups and amino acid R (or side) groups.
6. How can there be so many hundreds of thousands of proteins with just the 20 amino acids ?
7. Describe a positive test for proteins using Biuret's solution.