Cell Transportation
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8 Terms
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What is the cell membrane
The cell membrane surrounds the cell and is selectively permeable, which means it is selective about what crosses the membrane
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What does it let in and out
It lets in nutrients like oxygen, carbon dioxide, and sugar, but also lets out waste.
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How does it keep a stable cell
This helps the cell keep a stable, balanced cell environment. This balance is called homeostasis.
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In passive transport, molecules move from _______ to ______concentration.
High to Low
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Passive transport does NOT require _________.
Energy
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What are the two types of transportation?
Osmosis and Diffusion
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What is Diffusion?
Movement of small molecules like O2 and CO2
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What is Osmosis
Movement of water molecules
Note 
Flashcards (51)