Cell membrane and cell signalling

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Across
  1. 5. Activation of serious of enzymes in cell signalling
  2. 6. Cell wall is ..... permeable
  3. 8. Done by the secondary messenger
  4. 10. An organelle that is surrounded by two membranes (envelope)
  5. 13. A molecule that makes the membrane more stable
  6. 15. Your biology teacher's name
  7. 16. As membrane becomes more fluid it becomes ....permeable
Down
  1. 1. A description for cell membranes
  2. 2. A description for cell surface membrane structure
  3. 3. An organelle that is surrounded by a single membrane
  4. 4. A molecule that binds to receptors on the surface of cells to start cell signalling process
  5. 7. Artificially prepared membrane bound- compartments(vesicles)
  6. 9. As proportion of saturated fatty acids increases in the membrane, its fluidity ....
  7. 11. An organelle that is surrounded by no membranes
  8. 12. Which plant did we use in the effect of temperature on membrane permeability experiment?
  9. 14. the main constituent of cell membranes