Honors Biology crossword

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Across
  1. 2. A substance that has a chemical reaction.
  2. 4. bond Weak bond in DNA molecule.
  3. 7. Very large molecules made of many atoms.
  4. 10. when something matures as i ets older.
  5. 12. Provides energy for cellular processes.
  6. 13. in the surrounding that cause a reaction.
  7. 14. Breaks compound by adding water.
  8. 15. Large molecule made of monomers.
Down
  1. 1. chemical reactions th food into energy and keep people alive.
  2. 3. Changes something that helps it survive.
  3. 5. When living things make new versions of the same ki wth when living things get bigger or heavier.
  4. 6. The smallest thing alive.
  5. 8. when living things keep the inside environment even when the outside changes.
  6. 9. Small molecule that joins with others to make polymer.
  7. 11. A molecule that has a positive and negative end.