Chapter 3 Review

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Across
  1. 4. Diffusion of water
  2. 6. These two words describe the cell membrane as being "picky" about what it lets in
  3. 9. This in in plant cells and converts energy from the sun
  4. 10. DNA is one of these organic compounds
  5. 12. this inorganic compound makes up most of the cytoplasm and does many important jobs for the cell
  6. 13. Powerhouse of the cell
  7. 15. the storage tank of a cell
  8. 16. A single celled organism
  9. 17. This organic compound provides energy and makes up the cell wall and cell membrane
  10. 20. Packing center for the cell, distributes what is made
Down
  1. 1. This organic compound is energy for later use
  2. 2. This organic compound speeds up chemical reactions and makes up organelles
  3. 3. This type of transport movement requires energy
  4. 5. Holds the DNA
  5. 7. This controls what enters and leaves the cell
  6. 8. A many celled organism
  7. 11. This surrounds the cell membrane in plant cells and animal cells do not have one
  8. 14. Invention that led to the discovery of cells
  9. 17. This states that all living things are made of cells, that cells are the basic unit of all life, and that cells are produced from other cells
  10. 18. These produce proteins
  11. 19. Movement of molecules from an area of higher concentration to an area of lower concentration