Biology 1

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Across
  1. 2. a particle with negative charge
  2. 4. an organelle that creates energy
  3. 7. a structure of a cell
  4. 8. the jellylike substance of a cell
  5. 9. the center of an atom
  6. 11. substance with two or more different elements
  7. 12. an organelle that produces proteins
  8. 13. a tool that enlarges image of an object
  9. 14. a particle with positive charge
Down
  1. 1. a type of protein that catalyzes chemical reactions
  2. 3. a living thing
  3. 5. the smallest unit of matter
  4. 6. a particle with no charge
  5. 8. a network of protein fibers and tubes that maintain cell structure
  6. 10. an organelle that breaks down cell parts