cell transport functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Plasma Membrane | the flexible boundary between the cell and its environment ,to allow a steady supply of nutrients to come into the cell no matter what the external conditions are.
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| Diffusion | Random movement of particles from an area of higher concentration to an area of lower concentration ,eventually resulting in even distribution .
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| Osmosis | The diffusion of water across a selectively permeable membrane.
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| Isotonic Solution | Concentration of dissolved substances in the solution is the same as the concentration or dissolved substances inside the cell.
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| Hypotonic Solution | The concentration of dissolved substances is lower in the solution outside the cell than the concentration inside the cell.
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| Hypertonic Solution | The concentration of dissolved substances outside the cell is higher than the concentration inside the cell.
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| Passive Transport | Movement of particles across cell membranes by diffusion or osmosis ;the cell uses no energy to move particles across the membrane.
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| Facilitated Diffusion | Passive transport of materials across the membrane using transport proteins.
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| Active Transport | Movement of materials through a membrane against a concentration gradient .
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| Endocytosis | A process by which a cell surrounds and takes in material from its environment .
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| Exocytosis | The explosion or secretion of material from a cell.
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Created by:
Karla Perez
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