water and emzymes

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Across
  1. 4. are substances which react with acids
  2. 6. a region on an enzyme that binds to a protein or other substance during a reaction
  3. 7. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. 8. the minor component in a solution, dissolved in the solvent.
  5. 10. a scale used to specify the acidity or basicity of an aqueous solution
  6. 13. any substance that in water solution tastes sour
  7. 14. species formed from chemical reactions.
  8. 15. a means of solving a problem or dealing with a difficult situation
  9. 16. able to dissolve other substances
Down
  1. 1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. 2. a molecule in which one end of the molecule is slightly positive, while the other end is slightly
  3. 3. is a substance made by mixing other substances together.
  4. 5. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  5. 8. the surface or material on or from which an organism lives, grows, or obtains its nourishment.
  6. 9. a substance that acts as a catalyst in living organisms
  7. 11. primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group
  8. 12. a solution that can resist pH change upon the addition of an acidic or basic components