Cell Membranes

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Across
  1. 3. Are cell membranes permeable?
  2. 6. Where do the phospholipid heads face?
  3. 7. How many types of difussion are there?
  4. 8. Do cell membranes communicate with other parts of the cell?
  5. 9. what is the source of energy needed for active transport?
Down
  1. 1. What are the type of channels used?
  2. 2. What does the ATP leave at the sodium potassium pump?
  3. 4. What is the form of diffusion that involves water?
  4. 5. How many phospholipid bilayers are in a phospholipid membrae?