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Definition
| the movement of particles from an area where their concentration is high to an area where their concentration is low |
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Definition
| the diffusion of water across a cell membrane |
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| the life cycle of a cell; in eukaryotes it consists of chromosome duplication, mitosis, and cytokinesis |
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Definition
| the diffusion of particles through proteins in the cell membrane from areas where the concentration of particles is high to areas where the concentration of particles is low |
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Definition
| the movement of particles through proteins in the cell membrane against the direction of diffusion; requires cells to use energy |
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Definition
| the process by which plants capture light energy from the sun and convert it into sugar |
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| the process of producing ATP in the cell from oxygen and glucose; releases carbon dioxide from water |
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| the breakdown of sugars to make ATP in the absence of oxygen |
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Definition
| the process in which a cell membrane surrounds a particle and encloses it in a vesicle to bring it into the cell |
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| the process used to remove large particles from a cell; during this, a vesicle containing the particles fuses with the cell membrane |
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Definition
| a coiled structure of DNA and protein that forms in the cell nucleus during cell division |
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Definition
| the process in which cytoplasm divides after mitosis |
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Definition
| the simple division in which one cell splits into two; used by bacteria |
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