Enzymes and Biochemical Reactions

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Across
  1. 3. Releases energy in the form of light or heat
  2. 8. An example of an exothermic reaction (2 words)
  3. 9. The breaking and forming of bonds between different substances (2 words)
  4. 12. The amount of energy needed to make a chemical reaction start (2 words)
  5. 13. Light energy is stored as chemical energy in __
  6. 14. Substances that are changed during a chemical reaction
Down
  1. 1. Controls metabolic reactions
  2. 2. An example of an endothermic reaction
  3. 4. All the chemical reactions within each cell of an organism
  4. 5. Break down larger molecules into smaller compounds
  5. 6. Substances that are made by a chemical reaction
  6. 7. Build larger molecules from smaller ones
  7. 10. When enzymes speed up reactions
  8. 11. Absorbs energy in the form of light or heat