Cell Transport Part 1

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LaurenCamp29
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185432
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Cell Transport Part 1
Updated:
2012-12-02 12:34:39
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cell transport quiz test taylor soph
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  1. Membrane allows some substsances to cross more easily than others and blocks the passage of some substances all together
    Selectie Permeability
  2. What factors affect selective permeability?
    (4)
    • Size of particles
    • If the particles dissolve in water
    • Conditions inside and outside the cell
    • Structure of membrane -nuclear vs. cell
  3. What are cells constantly changing?
    Environment
  4. What must cells adjust to, to maintain balance?
    Its environment
  5. Steady state; balance
    Homeostasis
  6. Movement of molecules from an area of higher concetration to an area of lower concentration
    Diffusion
  7. Gradual even spreading out of molecules
    Diffusion
  8. What factors affect the rate of Diffusion?
    (5)
    • Temperature
    • Pressure
    • Concetration
    • Size of the Molecule
    • Type of Membrane
  9. What are the 7 types of Molecules?
    • Water
    • Sugar
    • Salt
    • Starch
    • Carbon Dioxide
    • Oxygen
    • Fat
  10. What are the two types of molecules that cannot pass through?
    Fat and Starch
  11. What else can Fat be known as?
    (2)
    • Lipid
    • Trigylceride
  12. What else can sugar be known as?
    (3)
    • Glucose
    • C6H12O6
    • Monosaccaride
  13. What else can Salt be known as?
    NaCl
  14. What else can starch be known as?
    Polysaccharide
  15. What needs to listed on a Diffusion problem?
    • 1. Plant or Animal
    • 2. Osmosis or Diffusion
    • 3. In and out table
    • 4. The arrows drawn on the diagram
  16. Solutes greater inside than outside
    Hypotonic
  17. Solutes greater outside than inside
    Hypertonic
  18. Equal solute concentration
    Isotonic
  19. What types of cells do Turgor Pressure take place in?
    Plants
  20. What does Turgor Pressure do to plants?
    Makes them stiff and healthy
  21. Does a plant cell swell during Turgor Pressure and why?
    No because it has a cell wall
  22. What does Turgor Pressure do to the cells?
    (the process)
    (3)
    • Water moves in
    • Pressure pushes against the cell wall
    • Plant cell becomes healthy
  23. Water flows out of the cell and pressure is lost. The cell membrane shrinks.
    Plasmolysis
  24. What types of cells does Plasmolysis occur in?
    Plant and Animal
  25. What happens if a plant loses water?
    It wilts
  26. What happens to Animal Cells during plasmolysis?
    The cells membrane shrinks
  27. How do animal cells pump water out of the cell?
    Contractile Vacuole
  28. Examples of a contractile vacuole?
    (2)
    • Kidney
    • Sweating
  29. What is it called when there is too much water in an animal cell and it busts due to pressure?
    Cytolysis
  30. What type of cell does Cytolysis occur in/
    Animal
  31. When you are given a diagram that has a square inside a square cell, it is easy to see that it is a plant cell, but why is it a plant cell?
    It has a cell wall
  32. How do you Osmosis problems?
    (6)
    • 1. Plant or Animal?
    • 2. Osmosis or Diffusion?
    • 3. Hypotonic, isotonic, or hypertonic?
    • 4. in and out chart
    • 5. words to describe it
    • 6. Redraw to show what was done
  33. What happens to water in an isotonic solution?
    Water molecules move equally in both directions
  34. What happens to the water molecules in a Hypertonic solution?
    (2)
    Water molecules move out of the cell and cause the cell to shrink
  35. What happens to water molecules in Hypotonic solution?
    (2)
    Water molecules move into the cell causing it to swell.
  36. What happens during Turgor Pressure?
    The plant cell gains water
  37. What happens during Plasmolysis to both cells?
    The cells lose water
  38. What happens during Cytolisis
    The animal cell gains water and bursts

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