Cells

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Across
  1. 2. ER do not have ribosomes.
  2. 5. synthesis the process of making proteins is called...
  3. 8. thin layer that surrounds the cell that is made of phospholipids and proteins.
  4. 11. a mesh of interconnected membranes that serve a function involving protein synthesis and transport.
  5. 13. cells that lack a nucleus
  6. 17. the additional layer that is found around the outside of plant cells and bacteria.
  7. 19. fiberous proteins in cytoplasm that maintain the shape of the cell.
  8. 21. small membrane-enclosed transport units that can transfer molecules between different compartments.
  9. 23. type of cells that contain a nucleus.
  10. 24. catalyze reactions that produce hydrogen peroxide.
  11. 25. the nucleolous is surrounded by a...
Down
  1. 1. flattened stacks of membrane that function as a packaging plant for modifying proteins and lipids.
  2. 3. sites of energy and ATP formation and are the powerhouse of the cell.
  3. 4. consists of semi-fluid that fills the cell and suspends organelles.
  4. 6. store materials, usually water. plant cells have a central one of these.
  5. 7. chloroplasts contain...
  6. 9. large vesicles formed by the Golgi that are found only in animal cells.
  7. 10. when the energy from the sun is converted into chemical energy, this process takes place in the chloroplasts.
  8. 12. control center in the cell and contains DNA.
  9. 14. attracted to rough er and are free floating, all cells have these and manufacture proteins.
  10. 15. produce glucose from carbon dioxide & water, have a green pigment.
  11. 16. a small body located near the nucleus.
  12. 18. the centrosome makes...
  13. 20. ribosomes are made in the...
  14. 22. only found in animal cells, are involved in cell divison and are composed of microtubles.