Ch 2 Sec 1 Crossword

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Across
  1. 3. smallest unit of an element
  2. 5. one of the most abundant elements in organism
  3. 7. made of oxygen and hydrogen molecules
  4. 11. chemical name for salt
  5. 13. used in the production of proteins
  6. 14. Substance that cannot be broken down
  7. 16. made up of multiple elements
  8. 17. doesn't contain carbon
Down
  1. 1. energy-rich organic compound
  2. 2. genetic material inherited from parents
  3. 4. smaller protein molecules
  4. 6. a type of protein that speeds up chemical reaction
  5. 8. contains carbon
  6. 9. cell storage for energy
  7. 10. large organic molecules of carbon, oxygen etc
  8. 12. smallest unit of compounds
  9. 15. an example of a carbohydrate