Cell Transport Part 2

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LaurenCamp29
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185435
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Cell Transport Part 2
Updated:
2012-12-02 13:08:13
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  1. When doing osmosis for a plant cell, and the cellmembrane gets bigger, what increases?
    Turgor Pressure
  2. What type of transport requires energy?
    Active Transport
  3. Molecules diffuse across the membrane and does not require energy or work
    Passive Transport
  4. 3 Examples of Passive Transport?
    Osmosis, diffusion, and facilitated diffusion
  5. 3 Steps of Facilitated Diffusion?
    • Proteins act as carrier molecules for materials
    • Pick up a molecule and carry it across the membrane
    • Gated Channel -hormone influenced protein
  6. Hormone influenced protein
    Gated Channel


  7. What is this supposed to be?
    Facilitated Diffusion

  8. What part of Facilitated Diffusion is this?
    The Phospholipid Bilayer


  9. What part of Facilitated Diffusion is this?
    (2)
    • The protein and the gated channel
    • (the gated channel is the part with the rigges)
  10. Regular molecules go through what part?
    Protein
  11. Large Molecules go through what part?
    The Gated Channel
  12. Needs energy to move molecule across membrane
    Active Transport
  13. Against concentration gradient
    Active Transport
  14. The Sodium and Potasium Pump is an example of what?
    Active Transport
  15. Explain the Na-K+Pump
    (sodium and potasium pump)
    (9)
    • Helps nerve cells generate nerve signals
    • Na increase out against concetration gradient
    • ATP (energy) changes shape of protein
    • Picks up K and enters cell and then changes shape again
    • 3 Na Out and 2 K in
    • Na is low concetration inside the cell
    • K is high concentration inside the cell
    • 1/3 of ATP is used in pump during rest
    • Carrier Protein with 2 configurations

  16. What step of the sodium potasium pump is this?
    Step 1

  17. What step of the sodium potasium pump is this?
    Step 2

  18. What step of the sodium potasium pump is this?
    Step 3
  19. How many steps are there in the sodium potatsium pump?
    3
  20. What you will have to know for the Sodium and Potasium Pump:
    What type of transport it is:
    What has to change shape several times:
    What gives that thing energy to change shape:
    • Active Transport
    • Protein
    • ATP gives it energy to change shape
  21. What does the exocytosis do?
    Exports materials
  22. What are 2 examples of exocytosis?
    Crying/cells in the pancreas
  23. Why is crying an example of exocytosis?
    Tear glands use exocytosis to export a salty solution containing proteins
  24. Why are specific cells in the pancreas examples of exocytosis?
    They manufacture the hormone insulin and secrete it into the bloodsteam by exocytosis

  25. What is this?
    Exocytosis
  26. What step of Exocytosis is this?
    Step 1
  27. What step of Exocytosis is this?

    Step 2
  28. What step of Exocytosis is this?
    Step 3
  29. When the cell takes in macromolecules and other particles by forming vessicles or vacuoles from its membrane.
    Endocytosis
  30. Examples of Endocytosis?
    (2)
    Phagocytosis and Pinocytosis
  31. Cellular eating-taking in food particles
    Phagocytosis
  32. Cellular drinking-taking in liquid/water
    Pinocytosis
  33. What is this?
    Endocytosis
  34. What step is this of Endocytosis?
    Step 1

  35. What step is this of Endocytosis?
    Step 2
  36. What step is this of Endocytosis?
    Step 3

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