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Name:____________________ Cellular Transport
AIM: Explain the role of cell membranes as a highly selective barrier (diffusion, osmosis, facilitateddiffusion, active transport).
• ACTIVATOR: Imagine you are in your living room watching TV and your mom starts to bake cookies in the kitchen on the other side of your house.
• Did you know exactly when she started? How did you know she was baking cooking?
Diffusion
Diffusion: ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
WHAT DO YOU THINK IS GOING ON IN THE PICTURE??
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There are some main factors that help Diffusion work
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Name:____________________ Cellular Transport
AIM: Explain the role of cell membranes as a highly selective barrier (diffusion, osmosis, facilitateddiffusion, active transport).
Diffusion across a plasma(cell) membrane
• Facilitated Diffusion- _______________________________________________________________________________________________________________
This also requires no ATP or energy.This happens when we need things like water or Oxygen_________________________________________________________________________________________________________________________________________
• Plasma(Cell) Membranes job is to let some things in and some things out. It is Selectively Permeable.
__________________________________________________________________________________ So things like water cross the
membrane automatically.
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Name:____________________ Cellular Transport
AIM: Explain the role of cell membranes as a highly selective barrier (diffusion, osmosis, facilitateddiffusion, active transport).
OSMOSIS ______________________________________________________________________________________
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TYPES OF SOLUTIONS• Isotonic Solution- ______
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• _____________________
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So after you drink a whole bunch ofWater, your cells have water and do Not need water from the outside.
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Name:____________________ Cellular Transport
AIM: Explain the role of cell membranes as a highly selective barrier (diffusion, osmosis, facilitateddiffusion, active transport).
• _____________________
________________________________________________________________________________________________
Animal cells shrink . When we are Dehydrated and need water.
ACTIVE TRANSPORT• Sometimes molecules move
against their normal movements, from hi to low.
• ______________________________________________________________________________________________________________
• _____________________________________________________________________________________________________________________________
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Name:____________________ Cellular Transport
AIM: Explain the role of cell membranes as a highly selective barrier (diffusion, osmosis, facilitateddiffusion, active transport).
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Name:____________________ Cellular Transport
AIM: Explain the role of cell membranes as a highly selective barrier (diffusion, osmosis, facilitateddiffusion, active transport).