Biology

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Across
  1. 4. where enzymes and substrates fit
  2. 7. single unit
  3. 8. fats,waxes,steroids
  4. 9. protects plant cells
  5. 10. control center of the cell
  6. 13. composed of DNA
  7. 15. enzymes,builds and repairs tissues
  8. 16. make protein
  9. 17. cell without organelles
  10. 18. cells with membrane-bound organelles
Down
  1. 1. DNA
  2. 2. many units
  3. 3. composed of cells
  4. 5. sugar,glucose,starch
  5. 6. speed up chemical reactions
  6. 11. reactant in an enzyme reaction
  7. 12. large molecules
  8. 14. building blocks of protein