Cells

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