Science Interaction: Cells

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Across
  1. 4. Maintains water balance
  2. 5. Cells come from ________ cells by division.
  3. 9. Single-celled organisms that DON'T have a nucleus
  4. 14. A cell is the ________ unit in a living thing.
  5. 15. A collection of conclusions from scientists over time that describe _____ and how they operate.
  6. 16. A second layer over the cell membrane found only in plant cells. It is rigid and stiff and helps the plant grow tall.
Down
  1. 1. Organelles that produce chlorophyll to make energy
  2. 2. An organism's ____ functions occur within cells.
  3. 3. An organelle that takes protein, modifies it, and puts it in shipping containers.
  4. 6. The makers of ATP, which is the energy cells need for everything they do.
  5. 7. Any cell that contains a nucleus
  6. 8. A jelly-like fluid that fills all cells
  7. 10. Living things are made from ___ or more cells.
  8. 11. A boundary that separates the cell from the outside environment.
  9. 12. Small organelles that make protein
  10. 13. As the brain of the cell, it controls all activity and contains DNA