Term
Malignant cells are characterized by ________ ________ ________ that cause mutations in the cells. |
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Definition
uncontrolled cell division |
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Term
Normal cells undergo mitosis ________ ________ _______ and stop ________ ________ |
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Definition
only when necessary, when appropriate. |
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Term
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Definition
movement of molecules from an area of greater concentration to an area of lesser concentration, molecules have free energy and are alway in motion. |
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Term
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Definition
diffusion of water through a selectively permeable membrane |
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Term
Define facilitated diffusion |
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Definition
carrier and transport enzymes move molecules across cell membranes from greater concentration to lesser concentration. |
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Term
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Definition
movement of water and dissolved substances from an area of higher pressure to an area of lower pressre. |
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Term
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Definition
movement of molecules from an area of lesser concentration to an area of greater concentration requires ATP, against the concentration gradient |
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Term
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Definition
ingestion and digestion of particles by a cell. |
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Term
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Definition
active transport moving fluids or dissolved substances into a cell. |
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Term
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Definition
carrier that moves ions across cell membranes against the concentration gradient. |
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