Cells

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Across
  1. 3. Makes ribosomes for the cell
  2. 6. Tiny molecules in cells that help the cell make proteins
  3. 10. The nucleus and organelles bounded by a very flexible membrane
  4. 11. The double membrane layer that separates the contents of the nucleus from the rest of the cell
  5. 12. The main protection barrier that surrounds a plant cell
  6. 13. Cells without membrane-bound organelles or a nucleus
  7. 15. The powerhouse of the cell
  8. 16. The organelle in cells that stores DNA and helps the cell make proteins
  9. 18. The basic principle of modern biology
  10. 20. The material contained within the nucleus of a cell
  11. 21. The cell's digestive system
  12. 22. A cell organelle that makes other substances that the cell needs, such as lipids (fats) and carbohydrates (sugars)
Down
  1. 1. An organelle in plant cells used to store food and water
  2. 2. The process in cell division by which the nucleus divides
  3. 4. Cells with membrane-bound organelles and a nucleus
  4. 5. A cell organelle that contains many ribosomes on its outer surface and makes proteins the cell needs
  5. 7. The nucleus and organelles bounded by a thick and rigid cell wall
  6. 8. A thin biological layer that contains the cytoplasm and all organelles of the cell
  7. 9. An organelle that modifies, packages and sorts proteins sent from the endoplasmic reticulum
  8. 14. The main food producer for plant cells
  9. 17. The jelly-like liquid that fills the inside of a cell
  10. 19. Minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves