* protects the cell and regulates what comes in and out * cell membrane
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*Protects the cell and regulates what comes in and out
*Cell Membrane
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*Which word means that only some items are able to enter/exit a cell?
*SEMI PERMEABLE
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*What are the macromolecules within the membrane that help transfer large molecules
*PROTEIN
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*The cell below after water moves will become _________?
*Hypotonic
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*The macromolecule that makes up the majority of the membrane.
*Phospholipids
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*Cells transport materials through the membrane in order to reach
_______________.
*Equilibrium
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*Same – State
The reason cells move to reach equilibrium.
*Homeostasis
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*Requires the use of energy to pass through the cell
*Active Transport
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*Movement of WATER from High to Low concentrations.
*OSMOSIS
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*Large particles are surrounded by the membrane and moved OUT.
*EXOCYTOSIS
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*The phosphate heads are _____________
*Hydrophillic
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*Which transports requires energy to bring IN large molecules?
*ENDOCYTOSIS
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*What tonicity would your cells be if you were dehydrated?
*Hypertonic
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*The fatty acid tails are ________?
*Hydrophobic
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*Diffusion and Osmosis are examples of this transport?
*Passive Transport
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*The picture show what kind of transport ( specific )
*Diffusion
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*If a human drinks salt water their cells become…?
*Hypertonic
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*What is the movement of materials from a high to low concentration called?
*DIFFUSION
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*Water moves through which process?
*OSMOSIS
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*Molecules become balanced at which state?
*EQUILIBRIUM
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*Which type of diffusion involves large molecule exiting through large protein channels?
*FACILITATED
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*What is the movement of materials from a low to high concentration called?
*ACTIVE TRANSPORT
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*Which active transport has cells swallowing large solid particles?
*ENDOCYTOSIS
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*Which active transport has cells expelling particles through the plasma membrane?
*EXOCYTOSIS
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*What happens to cells placed in pure water?
*SWELL
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*What happens to cells placed in salt water?
*SHRINK