Cells crossword

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Across
  1. 4. organelle within the cells of plants and certain algae that is the site of photosynthesis.
  2. 5. All cells must contain a what?
  3. 6. The inner membrane has folds called?
  4. 8. What cell contains chromosomes and ribosomes but doesn't have a membrane bound organelles?
  5. 9. DNA is organized into units called?
  6. 12. Scientists use this tool to observe cells that are too small to be seen with the naked eye.
  7. 13. Has ribosomes studding the outside of the membranous tubules.
  8. 15. The shape of the nucleus is maintained by the what?
Down
  1. 1. Stacks of thylakoids is called?
  2. 2. What part of the eukaryotic cell contains the most genes?
  3. 3. What are the sacs inside of chloroplasts called?
  4. 7. Complexes made of ribosomal RNA and proteins, that help carry out protein synthesis?
  5. 10. Lacks the ribosomes on the outside surface.
  6. 11. What is the warehouse of the cell called?
  7. 14. All organisms are made up of what?