BioChem

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Across
  1. 2. In
  2. 4. Ne
  3. 6. 6.02x10 to the 23
  4. 9. O
  5. 10. A challenge
  6. 11. S-shaped curve
  7. 15. Negative
  8. 16. Exit
  9. 17. Big number on the periodic table
  10. 18. Positive
Down
  1. 1. Au
  2. 2. Protein
  3. 3. J-Shaped curve
  4. 4. Neutral
  5. 5. Carbon
  6. 7. S
  7. 8. Water
  8. 12. Peanutbutter
  9. 13. Xe
  10. 14. Block