1. Which of the following is not a role of proteins? a) Catalysis b) Creating a membrane c) Enabling motion d) Sensors
2. Which of these proteins is a good example of an enzyme? a) Catalase b) Myoglobin c) Hemoglobin
3. How many standard amino acids are there? a) 18 b) 20 c) 21 d) 23
4. What is the simplest amino acid with a sidechain? a) Glycine b) Proline c) Alanine
5. Which of these groups is not found bound to the C-alpha of an amino acid? a) COOH b) NH2 c) H d) PO3 e) CH3