Peptide Bonding Crossword

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Across
  1. 4. A large molecule formed from many smaller repeating or similar monomer units.
  2. 8. A molecule formed when two amino acids are joined by one peptide bond.
  3. 9. The variable part of an amino acid that differs between different amino acids.
  4. 10. The type of strong chemical bond formed between amino acids in a peptide bond.
  5. 13. The -NHâ‚‚ functional group present in every amino acid.
  6. 14. A monomer containing both an amino group and a carboxyl group that can join to other amino acids.
  7. 15. The atom from the carboxyl group that becomes directly bonded to nitrogen when a peptide bond forms.
  8. 16. A reaction that uses water to break a peptide bond.
  9. 18. The atom removed from the amino group during the condensation reaction between two amino acids.
  10. 19. The covalent bond formed between the carboxyl group of one amino acid and the amino group of another.
Down
  1. 1. A long chain of amino acids joined together by peptide bonds.
  2. 2. The building of a larger molecule from smaller molecules, such as joining amino acids to form a polypeptide.
  3. 3. A reaction in which two amino acids join together and a molecule of water is released.
  4. 5. The molecule formed from an OH removed from a carboxyl group and an H removed from an amino group.
  5. 6. A small molecule that can join with other similar molecules to form a larger molecule.
  6. 7. The carbon atom bonded to the amino group, carboxyl group, hydrogen atom and R group.
  7. 11. The atom from the amino group that becomes directly bonded to carbon when a peptide bond forms.
  8. 12. The -COOH functional group present in every amino acid.
  9. 16. The OH group removed from the carboxyl group during peptide bond formation.
  10. 17. A short chain of amino acids joined together by peptide bonds.