Module 2 Vocabulary

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Across
  1. 4. when 2 or more peptides in their tertiary structure are bonded together they form the _____ of a protein (2 words)
  2. 8. a large molecule composed of similar units bonded together
  3. 9. a covalent bond between two amino acids (2 words)
  4. 11. a positively charged ion
  5. 12. a polymer of 2 or more amino acids
  6. 14. a negatively charged ion
  7. 15. a molecule that participates in a chemical reaction involving an enzyme
  8. 16. energy related to the motion of an atom or molecule (2 words)
  9. 20. any molecule that binds to a protein
  10. 21. _____ molecules are attracted by water
  11. 24. a process in which molecules react to form new molecules with different compositions (2 words)
  12. 25. a measure of the mean kinetic energy of a system
  13. 26. a substance that increases the rate of a reaction without itself being consumed by that reaction
  14. 27. a protein that speeds up a chemical reaction by reducing the energy needed for the reaction to occur
Down
  1. 1. hydrogen bonding between r-groups forms the _______ of a protein (2 words)
  2. 2. a bond with unequal sharing of electrons, giving one atom a partial positive charge and the other a partial negative charge (3 words)
  3. 3. a weak attraction between a hydrogen atom in one molecule and an atom with a partial negative charge in another molecule (2 words)
  4. 5. _____ molecules are repelled by water
  5. 6. a region of an enzyme that binds a substrate during a reaction (2 words)
  6. 7. the ability of a protein to bind a specific type of molecule (2 words)
  7. 8. ______ of a protein is the sequence of amino acids in a peptide (2 words)
  8. 10. one or more secondary structures connected by hydrogen, ionic, or covalent bonds forms the _____ structre of a protein(2 words)
  9. 13. a large molecule composed of one or more peptides folded into a complex structure
  10. 17. a bond with equal sharing of electrons (3 words)
  11. 18. a region of an enzyme that binds a ligand which is not a substrate (2 words)
  12. 19. when one atom lends an electron to another atom, resulting in the now negatively and positively charged atoms being attracted to each other (2 words)
  13. 22. a small molecule that bonds to similar molecules to form a polymer
  14. 23. the likelihood that two molecules will interact, stemming from the electrical properties of their atoms (2 words)