2.4 transport
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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| Active transport | A form of transport that requires energy as it moves particles from an area of low concentration to an area of high concentration
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| Passive transport | A form of transport that does not require energy as it moves particles from an area of high concentration to an area of low concentration
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| Diffusion | The movement of a substance from an area of high concentration to an area of low concentration
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| Facilitated diffusion | The movement of a substance from an area of high concentration to an area of low concentration through a protein channel in the plasma membrane
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| Osmosis | The net movement of water from an area of high concentration of water to an area of low concentration of water across a semi-permeable membrane
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| Hypertonic | A solution which has a higher concentration of solutes compared to another solution
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| Hypotonic | A solution which has a lower concentration of solutes compared to another solution
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| Isotonic | A solution which has the same concentration of solutes as another solution
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| Phagocytosis | A process where a cell takes in large particles by wrapping its plasma membrane around them
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| Pinocytosis | A process where a cell takes in fluid by pinching off a section of the plasma membrane
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| Exocytosis | A process where a vacuole fuses to the plasma membrane in order to release bulk materials from the cell
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| Endocytosis | A process where a vacuole is formed from the plasma membrane in order to take bulk materials into the cell
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| Carrier proteins | Proteins that use energy to transport specific substances across the plasma membrane
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| Selectively permeable | A membrane that allows some substances to pass through, but not others
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Created by:
missmuldrew
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