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8 Cards in this Set
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- Back
- 3rd side (hint)
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The plasma membrane is made up of a _________ bilayer, _______, and ___________.
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phospholipid
proteins carbohydrates |
Check the nutrition facts. |
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The selective permeability of the cell membrane serves to manage the concentration of substances within the cell. Substances can cross the cell membrane by ________ ________, ________ _________, and _________ ___________.
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passive transport
facilitated diffusion active transport |
pass, act, diffuse |
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What is Passive Transport?
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During this, substances freely pass across the membrane without the cell expending any energy.
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What is Facilitated Diffusion?
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Facilitated diffusion does not require added energy but it cannot occur without the help of specialized proteins.
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What is Active Transport?
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Transport requiring energy output from the cell.
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During this, substances freely pass across the membrane without the cell expending any energy.
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Passive Transport
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This does not require added energy but it cannot occur without the help of specialized proteins.
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Facilitated Diffusion
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_______ _________ requires energy output from the cell.
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Active Transport
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