Quiz- Proteins and Enzymes 1. What is the monomer of proteins? ________________________________ 2. How many different amino acids exist? ________________________________ 3. What type of protein speeds up chemical reactions and reduces the reaction’s activation energy? ________________________ 4. In what form does a protein have to be in to be functional or do its job? _________________________________ 5. What type of bond holds amino acids together? _________________________________ 6. What portion of an amino acid differs from other amino acids? ___________________________ 7. Which end of an amino acid is positive? The amino end or the carboxyl end? ________________________ 8. Another term for an unfolded protein (the primary structure) is called? ________________________________ 9. The active site of an enzyme corresponds exactly to the shape of its _________________. 10. Most enzyme names in the suffix ____________.