Metabolism and Enzymes !

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Across
  1. 3. a reaction that releases energy
  2. 4. the reactants that an enzyme acts on
  3. 8. a protein that speeds up chemical reactions
  4. 10. energy,the amount of energy it takes to start a reaction
  5. 11. the amount of energy available to do work
Down
  1. 1. substances that are formed as an end product of a chemical reaction
  2. 2. a type of energy that is stored
  3. 5. a reaction that absorbs energy
  4. 6. substances that participate in a chemical reaction
  5. 7. a type of energy that is used
  6. 9. the amount of disorder in a system